CN111119836A - Production fluid profile testing pipe column and method - Google Patents
Production fluid profile testing pipe column and method Download PDFInfo
- Publication number
- CN111119836A CN111119836A CN201811273726.7A CN201811273726A CN111119836A CN 111119836 A CN111119836 A CN 111119836A CN 201811273726 A CN201811273726 A CN 201811273726A CN 111119836 A CN111119836 A CN 111119836A
- Authority
- CN
- China
- Prior art keywords
- sealing
- channel
- pipe
- bypass
- pipe column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 106
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 46
- 239000012530 fluid Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 95
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000003129 oil well Substances 0.000 claims abstract description 15
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 14
- 239000010985 leather Substances 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 15
- 238000003860 storage Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/126—Packers; Plugs with fluid-pressure-operated elastic cup or skirt
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Mechanical Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a liquid production profile testing pipe column which comprises an oil pipe, a branched multi-channel joint, a bypass pipe column, a continuous pipe and a lifting pipe column, wherein the branched multi-channel joint is provided with a formation fluid lifting channel and a continuous pipe passing channel, the upper end of the formation fluid lifting channel is communicated with the continuous pipe passing channel, the lower port of the formation fluid lifting channel is connected with the lifting pipe column, the continuous pipe is connected with the oil pipe through the upper port of the channel, the continuous pipe is connected with the upper port of the bypass pipe column through the lower port of the channel, the continuous pipe sequentially penetrates through the oil pipe and the continuous pipe passing channel of the branched multi-channel joint and the bypass pipe column from top to bottom, and an inner sealing mechanism is arranged between the outer wall of the continuous pipe and the inner wall of. The invention completes the production condition test of each layer section of the oil well and provides reliable basis for taking technological measures in the later period of the oil well. Meanwhile, the process pipe column is simple to put in, and production parameters are convenient to adjust on the ground.
Description
Technical Field
The invention relates to a technology for testing a liquid production profile of an oil field, in particular to a liquid production profile testing tubular column and a method.
Background
As development of oil fields progresses, the problem of oil well water production is exacerbated due to heterogeneity of oil reservoirs and improper mining measures. Knowing the production conditions of the oil layer, including liquid production amount, water content, pressure, temperature and the like, is the basis for taking measures such as plugging and increasing production for the oil well.
At present, a plurality of methods for testing the fluid production profile of a vertical well exist, but a plurality of methods for testing the fluid production profile of a horizontal well exist, so that the methods for testing the fluid production profile of the horizontal well while producing are fewer, and the reliability of the test result still needs to be improved.
Patent 200510098286.2, a method of downhole stratified sampling and testing, discloses a method of downhole stratified sampling testing, using a cable to carry a downhole releasing test string and anchor it at the corresponding test interval, then using a cable or a steel wire to carry a sampling tester with a testing instrument and put it into the downhole releasing test string for testing and sampling, then using a cable to put it into a fisher to take out the sampling tester and the downhole releasing test string, changing the type of the tester, and repeating the operation to test different parameters; and fishing the underground releasing test pipe column, placing the pipe column in other target intervals, and repeatedly operating to realize the test of different intervals. When testing multiple intervals, the technique needs to repeatedly pull up and down the tubular column, the procedure is quite complicated, and the testing period is longer.
Patent 200810137499.5 discloses a method for testing preset fluid production profile of mechanical horizontal well and a special wellhead testing device. And (3) presetting an underground testing instrument and a production pipe column connected with a cable in the well, and dragging the underground testing instrument to a testing target interval by using an underground tractor to perform a liquid production profile test. The wellhead device of the testing method is complex, the testing cable is easy to damage, and the friction force of the cable in the oil sleeve annulus is large due to the limited force of the tractor, so that the testing instrument is difficult to move underground.
Patent 201710495932.1 discloses a process for continuously lifting a coiled tubing dragging test instrument inside a lifting pipe column to realize a test, which can realize a production profile test in a production state. The process is characterized in that a coiled tubing drags a test instrument to move in a lifting pipe column, a jet pump or a gas lift pump is adopted as a composite lifting pump, a lifting part is arranged on an annular space on one side of the axis of an oil pipe, the space is limited, the lifting part is easy to block, and the like, and the production parameters are difficult to adjust on the ground. Meanwhile, the lifting pipe column of the process comprises an outer sealing section and a self-sealing packer, and the pipe column is difficult to run.
Disclosure of Invention
The invention aims to provide a production fluid profile testing tubular column and a method, wherein the testing tubular column can complete the production condition test of each layer section of an oil well in the production state of the oil well and provide reliable basis for taking technological measures in the later stage of the oil well. Meanwhile, the process pipe column is simple to put in, and production parameters are convenient to adjust on the ground.
In order to achieve the purpose, the invention adopts the following technical scheme that the produced fluid profile testing pipe column comprises an oil pipe, and further comprises a branch multi-channel joint, a bypass pipe column, a continuous pipe and a lifting pipe column, wherein the branch multi-channel joint is provided with a formation fluid lifting channel and a continuous pipe passing channel, the upper end of the formation fluid lifting channel is communicated with the continuous pipe passing channel, the lower port of the formation fluid lifting channel is connected with the lifting pipe column, the continuous pipe is connected with the oil pipe through the upper port of the channel, the continuous pipe is connected with the upper port of the bypass pipe column through the lower port of the channel, the continuous pipe sequentially penetrates through the oil pipe and the continuous pipe passing channel of the branch multi-channel joint from top to bottom, and the bypass pipe column, and an internal sealing mechanism is arranged between the outer wall of the.
The lower end of the continuous tube is connected with a test instrument, and the test instrument is a storage type test instrument or a direct-reading type test instrument; when the test instrument is a direct-reading type, the cable is arranged in the continuous tube in a penetrating mode.
The lifting pipe column is a lifting pump mechanism.
And through holes are formed in the branched multi-channel joint, and the formation fluid lifting channel and the continuous pipe are radially communicated through the channels through the through holes.
The inner sealing mechanism comprises a sealing element and a connecting element, the connecting element is connected with the continuous pipe through a shear pin, the sealing element is arranged at the upper part of the connecting element, the inner wall of the sealing element is in interference sealing fit with the continuous pipe, and the outer wall of the sealing element is in interference sealing fit with the inner wall of the bypass pipe column.
The inner sealing mechanism comprises a sealing leather cup, the lower end of the sealing leather cup is fixed on a leather cup seat, the upper end of the leather cup seat is connected with a sealing pipe, the sealing leather cup is located in the sealing pipe, the outer wall of the sealing pipe is tightly attached to the inner wall of the bypass pipe column, the upper end of the bypass pipe column is connected with an upper connector, the lower end of the bypass pipe column is connected with a lower connector, and the sealing leather cup is in interference sealing fit with the outer wall of the continuous.
The inner sealing mechanism comprises a sealing rubber cylinder and a piston, the sealing rubber cylinder is located between the outer wall of the continuous pipe and the inner wall of the bypass pipe column, the upper end of the sealing rubber cylinder is connected with an upper pressing ring, the lower end of the sealing rubber cylinder is connected with a lower pressing ring, the lower pressing ring is limited on an inner bottom plate at the lower end of the bypass pipe column, the upper end of the bypass pipe column is connected with an upper joint, the piston is arranged in the upper joint, the lower end of the piston is pressed on the upper pressing ring, a pressurizing hole which is axially communicated with the upper joint is formed in.
In order to achieve the purpose, the invention adopts the following technical scheme that the method for testing the branch multi-channel liquid production profile comprises the following steps:
a. a branched multi-channel pipe column is arranged in the sleeve and comprises a branched multi-channel joint, a lifting pipe column and a bypass pipe column, the lower end of the branched multi-channel joint is respectively connected with the lifting pipe column and the bypass pipe column, and the upper end of the branched multi-channel joint is connected with an oil pipe column to a wellhead;
b. the continuous pipe is connected with a test instrument and is put in from the bypass pipe column, and the test instrument reaches the lower part of the oil layer;
c. controlling the ground, and operating an underground lifting pump to lift the produced liquid in the stratum;
d. gradually lifting the coiled tubing to realize the test of each production zone from bottom to top by the test instrument to obtain the liquid production profile of the oil well;
e. the coiled tubing is lifted and the test instrument is tripped out of the wellhead.
Compared with the prior art, the invention has the following beneficial effects:
firstly, the test pipe column and the method can realize the production fluid profile test of the oil well in the production state and provide direct reliable basis for measures such as oil well production increase or water blocking;
secondly, the lifting mode adopted by the testing process is electric submersible pump lifting or hydraulic piston pump lifting, the ground adjustment of production parameters is simple, and the problems of pump blockage and the like are not easy to occur;
thirdly, the test pipe column cannot be contacted with the casing wall when being put down, so that the test pipe column is simple and reliable to put down.
Drawings
FIG. 1 is a schematic diagram of a branched multi-channel production profile test string.
Figure 2 is a schematic diagram of a preferred embodiment of the branched multi-channel junction.
Fig. 3, 4 and 5 are three preferred embodiments of the internal sealing mechanism between the bypass string and the test string, respectively.
In the figure, a wellhead 1; an oil pipe 2; a branched multi-channel joint 3; a bypass pipe column 4; a continuous pipe 5; a test instrument 6; a lifting pipe column 7; an inner sealing mechanism 8;
an upper joint 805, a sealing leather cup 806, a sealing pipe 807, a bypass pipe column 808 and a lower joint 809;
the device comprises an upper connector 810, a pressing hole 811, a piston 812, an upper pressing ring 813, a sealing rubber cylinder 814, a bypass pipe column 815 and a lower pressing ring 816.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a produce liquid section test string, includes oil pipe 2, still includes that branch's multichannel connects 3, bypass tubular column 4, coiled tubing 5, lifts tubular column 7, branch's multichannel connects and offers formation fluid and lifts passageway 34, coiled tubing and passes through passageway 35, formation fluid lifts passageway upper end and coiled tubing and passes through the passageway intercommunication, and formation fluid lifts passageway lower port 32 and connects and lifts tubular column 7, the coiled tubing passes through port 31 on the passageway and connects oil pipe, and the coiled tubing passes through port 33 under the passageway and connects port on the bypass tubular column, 5 top-down of coiled tubing pass oil pipe, branch's coiled tubing that the multichannel connects in proper order through passageway, bypass tubular column, set up interior sealing mechanism 8 between coiled tubing outer wall and the bypass tubular column inner wall.
The lower end of the continuous tube is connected with a testing instrument 6, and the testing instrument is a storage type testing instrument or a direct-reading type testing instrument. When the test instrument is a direct-reading type, the cable is arranged in the continuous tube in a penetrating mode.
The lifting pipe column is a lifting pump mechanism and is a rodless pump lifting mechanism such as electric submersible pump lifting or hydraulic piston pump lifting.
And through holes 36 are formed in the branched multi-channel joint, and the formation fluid lifting channel and the continuous pipe are radially communicated through the channels through the through holes 36.
As shown in fig. 3, the internal sealing mechanism includes a sealing element 802 and a connecting element 803, the connecting element is connected with the coiled tubing through a shear pin 804, the sealing element is arranged at the upper part of the connecting element, the inner wall of the sealing element is in interference sealing fit with the coiled tubing, and the outer wall of the sealing element is in interference sealing fit with the inner wall of the bypass tubing string 801.
As shown in fig. 4, the internal sealing mechanism includes a sealing leather cup 806, the lower end of the sealing leather cup is fixed on a leather cup seat, the upper end of the leather cup seat is connected with a sealing pipe 807, the sealing leather cup is located in the sealing pipe, the outer wall of the sealing pipe is tightly attached to the inner wall of a bypass pipe column 808, the upper end of the bypass pipe column is connected with an upper joint 805, the lower end of the bypass pipe column is connected with a lower joint 809, and the sealing leather cup is in interference sealing fit with the outer wall of.
As shown in fig. 5, the inner sealing mechanism includes a sealing rubber tube 814 and a piston 812, the sealing rubber tube is located between the outer wall of the continuous pipe 5 and the inner wall of the bypass pipe column 815, the upper end of the sealing rubber tube is connected with an upper pressing ring 813, the lower end of the sealing rubber tube is connected with a lower pressing ring 816, the lower pressing ring is limited on the inner bottom plate at the lower end of the bypass pipe column, the upper end of the bypass pipe column is connected with an upper joint 810, the piston is arranged in the upper joint, the lower end of the piston is pressed on the upper pressing ring, the upper joint is provided with a pressurizing hole 811 which is axially.
As shown in fig. 1, coiled tubing 5 is run from tubing 2 into the interior of bypass tubing string 4, and test equipment 6 is attached to the lower end of coiled tubing 5. The lifting pipe column 7 is a lifting pump mechanism and is provided with a rodless pump lifting mechanism such as an electric pump set lifting mechanism or a hydraulic piston pump set lifting mechanism. An inner sealing mechanism 8 is arranged between the continuous pipe 5 and the bypass pipe column 4.
Figure 2 is a schematic view of a preferred embodiment of the branched multi-channel junction 3. The upper port 31 of the branch multi-channel connector is connected with an oil pipe to a wellhead; two channels 34 and 35 are arranged in the branch multi-channel joint, wherein 34 is a formation fluid lifting channel, and 35 is a continuous pipe passing channel; communication between passages 34 and 35 is achieved through holes 36 to achieve formation fluid lift.
Fig. 3, 4 and 5 show three preferred embodiments of the internal sealing mechanism between the coiled tubing 5 and the bypass tubing string 4.
Internal sealing mechanism preferred embodiment figure 3 is a seal installed on the outside of a coiled tubing. The connecting piece 803 is connected with the coiled tubing 5 through a shear pin 804, a sealing piece 802 is arranged at the upper part of the connecting piece 803, the inner wall of the sealing piece 802 is in interference sealing fit with the coiled tubing 5, and the outer wall of the sealing piece 802 is in interference sealing fit with the inner wall of the bypass tubing string 801.
Internal sealing mechanism preferred embodiment figure 4 shows the seal attached to the bypass string and the seal 806 is a sealing cup in interference sealing engagement with the outer wall of the coiled tubing 5.
Figure 5 shows the preferred embodiment of the internal sealing mechanism, wherein the sealing element is connected to the bypass pipe column, the sealing element 814 is a sealing rubber cylinder, and is in clearance contact with the outer wall of the continuous pipe 5, and the sealing rubber cylinder 814 is compressed to seal the outer wall of the continuous pipe 5 by pressing through the pressing hole 811 by using a hydraulic control pipeline to push the piston 812 to move downwards.
An internal sealing mechanism is arranged between the bypass pipe column and the continuous pipe; realize the sealing between coiled tubing and bypass tubular column, guarantee going on smoothly of lifting.
The first preferred embodiment of the lifting pipe column adopts an electric pump unit which is a conventional electric submersible centrifugal pump unit and consists of an electric submersible centrifugal pump, a protector and an oil submersible motor. The use of lift pump mechanisms is conventional in the art.
The second preferred embodiment of the lifting pipe column adopts a hydraulic piston pump to recover oil, is the same as a conventional underground unit in a hydraulic piston pump lifting mode, and consists of a hydraulic motor, a pump and a main control slide valve. The use of lift pump mechanisms is conventional in the art.
The sealing element of the internal sealing mechanism between the bypass pipe column and the continuous pipe can be arranged on the bypass pipe column to form sealing with the continuous pipe; or can be arranged on the continuous pipe to form a seal with the bypass pipe column.
The invention relates to a testing method of a branched multi-channel tubular column liquid production section testing tubular column, which comprises the following steps:
a. a branched multi-channel pipe column is arranged in the sleeve and comprises a branched multi-channel joint, a lifting pipe column and a bypass pipe column, the lower end of the branched multi-channel joint is respectively connected with the lifting pipe column and the bypass pipe column, and the upper end of the branched multi-channel joint is connected with an oil pipe column to a wellhead;
b. the continuous pipe is connected with a test instrument and is put in from the bypass pipe column, and the test instrument reaches the lower part of the oil layer;
c. controlling the ground, and operating an underground lifting pump to lift the produced liquid in the stratum;
d. gradually lifting the coiled tubing to realize the test of each production zone from bottom to top by the test instrument to obtain the liquid production profile of the oil well;
e. lifting the coiled tubing and pulling the test instrument out of the wellhead;
the test instrument 6 used in the branched multi-channel liquid production profile test tubular column can be a storage type test instrument and can also be a direct-reading type test instrument for real-time display. When a direct-reading test instrument is used, a cable is pre-positioned inside the continuous tube 5. The testing instrument 6 is conventional in the technical field, the testing of the oil well fluid production profile and the testing result of the testing instrument 6 per se belong to the conventional technology in the technical field, and the invention only utilizes the testing instrument to work in the testing tubular column. The application can be directly connected.
Description of upper and lower oil layers:
for a vertical well or an inclined well, when the number of oil layers is three or more, the upper oil layer means the uppermost oil layer, and the lower oil layer means the lowermost oil layer.
For a horizontal well, the upper oil layer refers to a section of oil layer of the horizontal section of the oil well which is closer to the heel part, and the lower oil layer refers to a section of oil layer of the horizontal section of the oil well which is closer to the toe part.
In the testing process, the testing instrument can be continuously and slowly dragged to test each layer section, and can also stay in each layer section to test the layered section of each layer section.
In the description of the present invention, it is to be understood that the positional indications or positional relationships are based on those shown in the drawings and are for the purpose of facilitating the description of the present invention, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a produce liquid section test string, includes oil pipe, lifting pipe column, its characterized in that still includes branch's multichannel joint, bypass tubular column, coiled tubing, branch's multichannel connects and sets up stratum fluid and lifts passageway, coiled tubing through-channel, stratum fluid lifts passageway upper end and coiled tubing through-channel intercommunication, and stratum fluid lifts passageway lower port and connects lifting pipe column, coiled tubing passes through passageway upper port and connects oil pipe, and the coiled tubing passes through passageway lower port and connects bypass tubular column upper port, coiled tubing top-down passes oil pipe, branch's multichannel connects's coiled tubing through passageway, bypass tubular column in proper order, set up interior sealing mechanism between coiled tubing outer wall and the bypass tubular column inner wall.
2. The production profile test string as claimed in claim 1, wherein the lower end of the coiled tubing is connected with a test instrument, and the test instrument is a storage type test instrument or a direct-reading type test instrument; when the test instrument is a direct-reading type, the cable is arranged in the continuous tube in a penetrating mode.
3. The production profile test string of claim 2, wherein the lift string is a lift pump mechanism.
4. A production profile testing string according to claim 1 or 2, wherein the branched multi-channel junction is internally provided with a through hole for allowing the formation fluid lifting channel and the coiled tubing to pass radially therethrough.
5. A fluid production profile testing string according to claim 1 or 2, wherein the internal sealing mechanism comprises a sealing element and a connecting element, the connecting element is connected with the coiled tubing through a shear pin, the sealing element is arranged at the upper part of the connecting element, the inner wall of the sealing element is in interference sealing fit with the coiled tubing, and the outer wall of the sealing element is in interference sealing fit with the inner wall of the bypass string.
6. The production profile test string according to claim 1 or 2, wherein the inner sealing mechanism comprises a sealing leather cup, the lower end of the sealing leather cup is fixed on a leather cup seat, the upper end of the leather cup seat is connected with a sealing tube, the sealing leather cup is positioned in the sealing tube, the outer wall of the sealing tube is tightly attached to the inner wall of the bypass string, the upper end of the bypass string is connected with an upper joint, the lower end of the bypass string is connected with a lower joint, and the sealing leather cup is in interference sealing fit with the outer wall of the continuous tube.
7. The production profile test string according to claim 1 or 2, wherein the inner sealing mechanism comprises a sealing rubber cylinder and a piston, the sealing rubber cylinder is positioned between the outer wall of the continuous pipe and the inner wall of the bypass pipe string, the upper end of the sealing rubber cylinder is connected with an upper pressure ring, the lower end of the sealing rubber cylinder is connected with a lower pressure ring, the lower pressure ring is limited on an inner bottom plate at the lower end of the bypass pipe string, the upper end of the bypass pipe string is connected with an upper joint, the piston is arranged in the upper joint, the lower end of the piston is pressed on the upper pressure ring, the upper joint is provided with a pressing hole which is axially communicated, and the pressing hole is communicated to.
8. A method for testing a branch multi-channel production profile is characterized by comprising the following steps:
a. a branched multi-channel pipe column is arranged in the sleeve and comprises a branched multi-channel joint, a lifting pipe column and a bypass pipe column, the lower end of the branched multi-channel joint is respectively connected with the lifting pipe column and the bypass pipe column, and the upper end of the branched multi-channel joint is connected with an oil pipe column to a wellhead;
b. the continuous pipe is connected with a test instrument and is put in from the bypass pipe column, and the test instrument reaches the lower part of the oil layer;
c. controlling the ground, and operating an underground lifting pump to lift the produced liquid in the stratum;
d. gradually lifting the coiled tubing to realize the test of each production zone from bottom to top by the test instrument to obtain the liquid production profile of the oil well;
e. the coiled tubing is lifted and the test instrument is tripped out of the wellhead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811273726.7A CN111119836A (en) | 2018-10-29 | 2018-10-29 | Production fluid profile testing pipe column and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811273726.7A CN111119836A (en) | 2018-10-29 | 2018-10-29 | Production fluid profile testing pipe column and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111119836A true CN111119836A (en) | 2020-05-08 |
Family
ID=70484113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811273726.7A Pending CN111119836A (en) | 2018-10-29 | 2018-10-29 | Production fluid profile testing pipe column and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111119836A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142834A (en) * | 2021-03-15 | 2022-10-04 | 中国石油天然气股份有限公司 | Gas production and water production profile testing method and device and computer storage medium |
Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030098153A1 (en) * | 2001-11-23 | 2003-05-29 | Serafin Witold P. | Composite packer cup |
| US20040163805A1 (en) * | 2003-02-25 | 2004-08-26 | Smith David Randolph | Method and apparatus to complete a well having tubing inserted through a valve |
| US20050274511A1 (en) * | 2004-06-14 | 2005-12-15 | Collins Ronald B | Separable plug for use with a wellbore tool |
| US20050274518A1 (en) * | 2004-06-14 | 2005-12-15 | Weatherford/Lamb, Inc. | Separable plug for use in a wellbore |
| CN1847608A (en) * | 2005-04-14 | 2006-10-18 | 石油大学(北京) | Spring type Y-shaped well joint |
| US20060231256A1 (en) * | 2005-04-19 | 2006-10-19 | Schlumberger Geomarket | Chemical injection well completion apparatus and method |
| CN200982173Y (en) * | 2006-12-14 | 2007-11-28 | 大港油田集团有限责任公司 | Hydraulic type sand-blocking control leather bowl |
| US20080011489A1 (en) * | 2004-11-02 | 2008-01-17 | Stinger Wellhead Protection, Inc. | Cup tool, cup tool cup and method of using the cup tool |
| US20080314595A1 (en) * | 2006-03-22 | 2008-12-25 | Zinoviy Dmitrievich Khomynets | Well Jet Device and the Operating Method Thereof |
| US20100326661A1 (en) * | 2007-07-09 | 2010-12-30 | Well Jet Device And The Operation Method Thereof | Well jet device and the operation method thereof |
| RU2449117C1 (en) * | 2010-11-23 | 2012-04-27 | Аскар Салаватович Валиуллин | Method of pumping unit bypassing and bypassing system for its implementation |
| CA2731037A1 (en) * | 2011-02-04 | 2012-08-04 | Artificial Lift Company | Coiled tubing deployed esp |
| US20120222856A1 (en) * | 2011-03-04 | 2012-09-06 | Artificial Lift Company | Coiled tubing deployed esp |
| RU2495280C1 (en) * | 2012-06-09 | 2013-10-10 | Общество с ограниченной ответственностью "Лифт Ойл" | By-pass system of oil well pumping unit for dual pumping of well having at least two formations, by-pass system of oil well pumping unit for single and multiple zone wells and by-passing method for well survey |
| CN203716939U (en) * | 2014-02-19 | 2014-07-16 | 中国海洋石油总公司 | Electric submersible pump production string suitable for manual lifting |
| CN204098872U (en) * | 2014-09-04 | 2015-01-14 | 中国海洋石油总公司 | Electric immersible pump well tubing string and electric immersible pump well |
| WO2016200847A1 (en) * | 2015-06-09 | 2016-12-15 | Schlumberger Technology Corporation | Dual artificial lift system |
| CN106703740A (en) * | 2015-08-11 | 2017-05-24 | 中国石油化工股份有限公司 | Hydraulic control and inside and outside biaxial compression packer |
| CN206309337U (en) * | 2016-11-28 | 2017-07-07 | 中国石油天然气股份有限公司 | Packer |
| CN107448177A (en) * | 2017-06-26 | 2017-12-08 | 中国石油化工股份有限公司 | Oil well liquid-producing section plane test tubing string and its method of testing |
| CN209293781U (en) * | 2018-10-29 | 2019-08-23 | 中国石油化工股份有限公司 | A kind of producing profile testing tubing string |
-
2018
- 2018-10-29 CN CN201811273726.7A patent/CN111119836A/en active Pending
Patent Citations (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030098153A1 (en) * | 2001-11-23 | 2003-05-29 | Serafin Witold P. | Composite packer cup |
| US20040163805A1 (en) * | 2003-02-25 | 2004-08-26 | Smith David Randolph | Method and apparatus to complete a well having tubing inserted through a valve |
| US20050274511A1 (en) * | 2004-06-14 | 2005-12-15 | Collins Ronald B | Separable plug for use with a wellbore tool |
| US20050274518A1 (en) * | 2004-06-14 | 2005-12-15 | Weatherford/Lamb, Inc. | Separable plug for use in a wellbore |
| US20080011489A1 (en) * | 2004-11-02 | 2008-01-17 | Stinger Wellhead Protection, Inc. | Cup tool, cup tool cup and method of using the cup tool |
| CN1847608A (en) * | 2005-04-14 | 2006-10-18 | 石油大学(北京) | Spring type Y-shaped well joint |
| US20060231256A1 (en) * | 2005-04-19 | 2006-10-19 | Schlumberger Geomarket | Chemical injection well completion apparatus and method |
| US20080314595A1 (en) * | 2006-03-22 | 2008-12-25 | Zinoviy Dmitrievich Khomynets | Well Jet Device and the Operating Method Thereof |
| CN200982173Y (en) * | 2006-12-14 | 2007-11-28 | 大港油田集团有限责任公司 | Hydraulic type sand-blocking control leather bowl |
| US20100326661A1 (en) * | 2007-07-09 | 2010-12-30 | Well Jet Device And The Operation Method Thereof | Well jet device and the operation method thereof |
| RU2449117C1 (en) * | 2010-11-23 | 2012-04-27 | Аскар Салаватович Валиуллин | Method of pumping unit bypassing and bypassing system for its implementation |
| CA2731037A1 (en) * | 2011-02-04 | 2012-08-04 | Artificial Lift Company | Coiled tubing deployed esp |
| US20120222856A1 (en) * | 2011-03-04 | 2012-09-06 | Artificial Lift Company | Coiled tubing deployed esp |
| RU2495280C1 (en) * | 2012-06-09 | 2013-10-10 | Общество с ограниченной ответственностью "Лифт Ойл" | By-pass system of oil well pumping unit for dual pumping of well having at least two formations, by-pass system of oil well pumping unit for single and multiple zone wells and by-passing method for well survey |
| CN203716939U (en) * | 2014-02-19 | 2014-07-16 | 中国海洋石油总公司 | Electric submersible pump production string suitable for manual lifting |
| CN204098872U (en) * | 2014-09-04 | 2015-01-14 | 中国海洋石油总公司 | Electric immersible pump well tubing string and electric immersible pump well |
| WO2016200847A1 (en) * | 2015-06-09 | 2016-12-15 | Schlumberger Technology Corporation | Dual artificial lift system |
| CN106703740A (en) * | 2015-08-11 | 2017-05-24 | 中国石油化工股份有限公司 | Hydraulic control and inside and outside biaxial compression packer |
| CN206309337U (en) * | 2016-11-28 | 2017-07-07 | 中国石油天然气股份有限公司 | Packer |
| CN107448177A (en) * | 2017-06-26 | 2017-12-08 | 中国石油化工股份有限公司 | Oil well liquid-producing section plane test tubing string and its method of testing |
| CN209293781U (en) * | 2018-10-29 | 2019-08-23 | 中国石油化工股份有限公司 | A kind of producing profile testing tubing string |
Non-Patent Citations (3)
| Title |
|---|
| 刘鹏;张成富;罗建伟;沈琼;: "Ф31.75mm连续油管测试堵塞器的研制", 钻采工艺, no. 05, pages 56 - 57 * |
| 刘鹏;李瑞丰;沈琼;张成富;罗建伟;: "大斜度井连续油管生产测试用堵塞器研制", 石油矿场机械, no. 10 * |
| 甄宝生,胡中太: "潜油电泵井"Y"型管柱测试技术", 油气井测试, no. 03 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115142834A (en) * | 2021-03-15 | 2022-10-04 | 中国石油天然气股份有限公司 | Gas production and water production profile testing method and device and computer storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202338294U (en) | Integrated intelligent completion string of self-spraying and mechanical production | |
| CN108625830B (en) | Ball throwing type layering sand prevention process pipe column and method thereof | |
| WO2015074243A1 (en) | Intelligent test system and method for multi-segment fractured horizontal well | |
| RU2014141711A (en) | METHOD FOR SIMULTANEOUS-SEPARATE OPERATION OF A TWO-PLASTIC WELL AND A WELL PUMP INSTALLATION FOR ITS IMPLEMENTATION | |
| CN112012706A (en) | Offshore thickened oil steam huff-puff injection-production integrated device | |
| CN111379538B (en) | Method for verifying opening degree of underground hydraulic control sliding sleeve suitable for intelligent well completion | |
| CN102418500B (en) | Direct-controlled continuous quantitative layered production string | |
| RU130343U1 (en) | Borehole installation for simultaneous separate development of several operational facilities from one well | |
| CN204511401U (en) | A kind of Intelligent testing adjusts selective sand control separate layer water injection string | |
| CN111577257B (en) | Horizontal well subsection setting type flow metering water exploration pipe column and water exploration method thereof | |
| CN113622831A (en) | An offshore thermal recovery electric submersible pump injection-production integrated pipe string and operation method | |
| CN107448177B (en) | Oil well liquid production profile testing pipe column and testing method thereof | |
| CN107795304A (en) | A multi-layer simultaneous production string and its application method | |
| CN111119836A (en) | Production fluid profile testing pipe column and method | |
| CN111485849B (en) | Casing hydraulic packer | |
| CN204457757U (en) | A Layered Pressure Testing System | |
| CN207177750U (en) | Integrated string | |
| CN110331969B (en) | Cross-isolation type oil testing and repeated fracturing tool system | |
| CN209293781U (en) | A kind of producing profile testing tubing string | |
| CN218598199U (en) | Horizontal well integrated liquid production profile testing device | |
| CN106368654B (en) | Multi-branch well control oil production pipe column and method | |
| CN206957668U (en) | Oil well liquid-producing section plane test tubing string | |
| CN115992674B (en) | Offshore oilfield multilayer real-time layered measurement and control safety production string and use method thereof | |
| CN212508191U (en) | High-temperature electric pump oil production testing wellhead device | |
| CN109751039B (en) | Underground oil testing electronic control hydraulic modular test system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200508 |