CN104989343A - Concentric intelligent fine layered water measuring and adjusting process - Google Patents
Concentric intelligent fine layered water measuring and adjusting process Download PDFInfo
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Abstract
A concentric intelligent fine layered water measuring and adjusting process. The method mainly solves the problem that the existing bridge type eccentric layered water distribution process is difficult to realize fine layered water injection of more than 7 levels. The measuring and adjusting steps are as follows: firstly, placing a measuring and adjusting vehicle at a well site of a water injection well and placing an underground intelligent measuring and adjusting instrument into a blowout prevention pipe; step two, taking the ground test and dispatch vehicle group as an operation platform; step three, opening a wellhead test gate of the water injection well; fourthly, carrying out hanging measurement by an operator according to the design scheme of measurement and adjustment; step five, stopping the measuring and regulating instrument from regulating the interval of the water quantity layer, thereby achieving the purpose of controlling the layered water injection quantity; step six, measuring and adjusting the water amount of each layer upwards once according to the operation; and seventhly, lifting the testing and adjusting instrument out of the wellhead, disassembling devices such as wellhead blowout prevention pipes and the like, and completing the whole testing and adjusting water distribution process. The concentric intelligent fine layered water measuring and adjusting process has the characteristic of quickly and accurately realizing fine layered water injection of more than 7 levels.
Description
Technical field
The present invention relates to the water distribution technique that a kind of field of oil field oil extraction is used, allotment water conservancy project skill is surveyed in Intelligent fine layering especially with one heart.
Background technology
In field of oil field oil extraction, at present, water flooding mainly adopts bridge-type eccentric layering water distribution technique.Along with waterflooding development difficulty improves constantly, water injection well individual well injection allocation interval constantly increases, and being hampered of bridge-type eccentric layering water distribution process test pulling, falling card rate and rises year by year.Due to the restriction of bridge-type eccentric layering water distribution technique pulling distance, eccentric injection mandrel cannot be shortened in tool sizes further, more than 7 sections are segmented progression boundary and are difficult to break through.
Summary of the invention
The problem of more than 7 grades meticulous seperated layer water injections is difficult to realize in order to solve bridge-type eccentric layering water distribution technique.The invention provides a kind of Intelligent fine layering with one heart and survey allotment water conservancy project skill.This concentric Intelligent fine layering is surveyed allotment water conservancy project skill and is had the advantages that quick and precisely realize more than 7 grades meticulous seperated layer water injections.
Technical scheme of the present invention is: allotment water conservancy project skill is surveyed in this concentric Intelligent fine layering, and to survey pacing suddenly as follows: step one, survey to shunt and set position in water injection well well site, test lubricator is installed on wellhead of water injection well test strobe, downhole intelligent measurement and adjustment instrument and on-road emission test cable are connected simultaneously, test cable is ridden on top sheave, and downhole intelligent measurement and adjustment instrument is put into lubricator; Step 2, with ground survey shunt group for operating platform, operating personnel open notebook computer and are connected with vehicle-mounted control case, carry out the preparation of testing software, by on-road emission test cable transmission data signal, with the real-time communication of downhole intelligent measurement and adjustment instrument, control the actions such as its underground location, docking, regulating pondage; Step 3, open wellhead of water injection well test strobe, unclamp test carriage cable parking brake, make downhole intelligent measurement and adjustment instrument transfer to designated layer position fast, now each actuating mechanism of measurement and adjustment instrument is in closed condition; Step 4, operating personnel adjust design scheme according to survey, downhole intelligent measurement and adjustment instrument is placed on the most next stage injection well downhole flow regulator position of water injection well and carries out hanging survey, according to the operational order that computerized control system sends, carry out the measurement of instantaneous delivery, pressure, temperature, and control on ground computer screen shows constantly, examine the water yield of joining to compare with the injection allocation amount of injection allocation scheme and see the need of carrying out water yield adjustment, if desired the adjustment water yield carries out step 5, without the need to adjust measurement and adjustment instrument whole on carry to upper level; Step 5, by measurement and adjustment instrument stop need to carry out model for water quantity allocation interval, on carry 1m, operator is by the detent mechanism of instruction unpack measurement and adjustment instrument, transfer measurement and adjustment instrument to be hampered at Concentric adjustable water distributor detent mechanism, and open regulating arm, regulate the movable cylinder of concentric roater regulator, change injection well downhole flow regulator delivery port size, thus reach the object of control hierarchy water injection rate, display screen understands the data such as the Real-time Feedback water yield, temperature, pressure; Step 6, once up to survey according to above operation and adjust each layer water yield, and record related data, survey tune complete after on carry measurement and adjustment instrument to the above current stabilization of instrument section, and draw the water yield, temperature, pressure curve; Step 7, measurement and adjustment instrument is proposed well head, the equipment such as dismounting shaft mouth anti-blowout pipe, whole survey allotment water conservancy project skill completes.
The present invention has following beneficial effect: this concentric Intelligent fine layering survey allotment water conservancy project skill owing to adopting step one, survey to shunt and set position in water injection well well site, test lubricator is installed on wellhead of water injection well test strobe, downhole intelligent measurement and adjustment instrument and on-road emission test cable are connected simultaneously, test cable is ridden on top sheave, and downhole intelligent measurement and adjustment instrument is put into lubricator; Step 2, with ground survey shunt group for operating platform, operating personnel open notebook computer and are connected with vehicle-mounted control case, carry out the preparation of testing software, by on-road emission test cable transmission data signal, with the real-time communication of downhole intelligent measurement and adjustment instrument, control the actions such as its underground location, docking, regulating pondage; Step 3, open wellhead of water injection well test strobe, unclamp test carriage cable parking brake, make downhole intelligent measurement and adjustment instrument transfer to designated layer position fast, now each actuating mechanism of measurement and adjustment instrument is in closed condition; Step 4, operating personnel adjust design scheme according to survey, downhole intelligent measurement and adjustment instrument is placed on the most next stage injection well downhole flow regulator position of water injection well and carries out hanging survey, according to the operational order that computerized control system sends, carry out the measurement of instantaneous delivery, pressure, temperature, and control on ground computer screen shows constantly, examine the water yield of joining to compare with the injection allocation amount of injection allocation scheme and see the need of carrying out water yield adjustment, if desired the adjustment water yield carries out step 5, without the need to adjust measurement and adjustment instrument whole on carry to upper level; Step 5, by measurement and adjustment instrument stop need to carry out model for water quantity allocation interval, on carry 1m, operator is by the detent mechanism of instruction unpack measurement and adjustment instrument, transfer measurement and adjustment instrument to be hampered at Concentric adjustable water distributor detent mechanism, and open regulating arm, regulate the movable cylinder of concentric roater regulator, change injection well downhole flow regulator delivery port size, thus reach the object of control hierarchy water injection rate, display screen understands the data such as the Real-time Feedback water yield, temperature, pressure; Step 6, once up to survey according to above operation and adjust each layer water yield, and record related data, survey tune complete after on carry measurement and adjustment instrument to the above current stabilization of instrument section, and draw the water yield, temperature, pressure curve; Step 7, measurement and adjustment instrument is proposed well head, the equipment such as dismounting shaft mouth anti-blowout pipe, whole survey allotment water conservancy project skill completes technique.Utilize conputer controlled downhole intelligent measurement and adjustment instrument, realize fast, the measurement of accurate response flow, pressure, temperature and fast, accurately water distribution quantity regulate, realize fast, accurately, more than 7 grades meticulous seperated layer water injections.Thus this concentric Intelligent fine layering survey allotment water conservancy project skill and have fast, accurate, the feature that realizes more than 7 grades meticulous seperated layer water injections.
detailed description of the invention:
The invention will be further described below:
This concentric Intelligent fine layering is surveyed allotment water conservancy project skill and is mainly comprised ground survey tune control system, surveys and adjust cable, downhole intelligent measurement and adjustment instrument, the concentric intelligent watering device of integral type.
The survey pacing that allotment water conservancy project skill is surveyed in this concentric Intelligent fine layering is suddenly as follows:
Step one, survey to shunt and set position in water injection well well site, test lubricator is installed on wellhead of water injection well test strobe, downhole intelligent measurement and adjustment instrument and on-road emission test cable are connected simultaneously, test cable is ridden on top sheave, and downhole intelligent measurement and adjustment instrument is put into lubricator;
Step 2, with ground survey shunt group for operating platform, operating personnel open notebook computer and are connected with vehicle-mounted control case, carry out the preparation of testing software, by on-road emission test cable transmission data signal, with the real-time communication of downhole intelligent measurement and adjustment instrument, control the actions such as its underground location, docking, regulating pondage;
Step 3, open wellhead of water injection well test strobe, unclamp test carriage cable parking brake, make downhole intelligent measurement and adjustment instrument transfer to designated layer position fast, now each actuating mechanism of measurement and adjustment instrument is in closed condition;
Step 4, operating personnel adjust design scheme according to survey, downhole intelligent measurement and adjustment instrument is placed on the most next stage injection well downhole flow regulator position of water injection well and carries out hanging survey, according to the operational order that computerized control system sends, carry out the measurement of instantaneous delivery, pressure, temperature, and control on ground computer screen shows constantly, examine the water yield of joining to compare with the injection allocation amount of injection allocation scheme and see the need of carrying out water yield adjustment, if desired the adjustment water yield carries out step 5, without the need to adjust measurement and adjustment instrument whole on carry to upper level;
Step 5, by measurement and adjustment instrument stop need to carry out model for water quantity allocation interval, on carry 1m, operator is by the detent mechanism of instruction unpack measurement and adjustment instrument, transfer measurement and adjustment instrument to be hampered at Concentric adjustable water distributor detent mechanism, and open regulating arm, regulate the movable cylinder of concentric roater regulator, change injection well downhole flow regulator delivery port size, thus reach the object of control hierarchy water injection rate, display screen understands the data such as the Real-time Feedback water yield, temperature, pressure;
Step 6, once up to survey according to above operation and adjust each layer water yield, and record related data, survey tune complete after on carry measurement and adjustment instrument to the above current stabilization of instrument section, and draw the water yield, temperature, pressure curve;
Step 7, measurement and adjustment instrument is proposed well head, the equipment such as dismounting shaft mouth anti-blowout pipe, whole survey allotment water conservancy project skill completes.
This concentric Intelligent fine layering survey allotment water conservancy project skill can completed well down-off, pressure, temperature measurement, do not need pulling blanking plug, and can accurately control each stratified water amount, flexibly, conveniently, the shortest docking is apart from 1 meter for the docking of measurement and adjustment instrument down-hole, fast, accurate survey is adjusted, soon, data display is fast for flow, pressure, temperature-responsive, improves and surveys tune efficiency, more than 7 grades meticulous seperated layer water injections can be realized, deeply tap the latent power for poor thin layer water drive.
It is a kind of brand-new water injection well intelligence commissioning process that allotment water conservancy project skill is surveyed in this concentric Intelligent fine layering, solve bridge-type eccentric water distribution technique to limit by pulling technique, be difficult to the problem realizing more than 7 grades meticulous seperated layer water injections, reduce the impact that pulling spacing is segmented interval, further breakthrough segmentation boundary, improve to survey and adjust efficiency, carry out the degree of depth tap the latent power based on thin, difference reservoir.
Claims (1)
1. an allotment water conservancy project skill is surveyed in concentric Intelligent fine layering, and survey pacing is suddenly as follows:
Step one, survey to shunt and set position in water injection well well site, test lubricator is installed on wellhead of water injection well test strobe, downhole intelligent measurement and adjustment instrument and on-road emission test cable are connected simultaneously, test cable is ridden on top sheave, and downhole intelligent measurement and adjustment instrument is put into lubricator;
Step 2, with ground survey shunt group for operating platform, operating personnel open notebook computer and are connected with vehicle-mounted control case, carry out the preparation of testing software, by on-road emission test cable transmission data signal, with the real-time communication of downhole intelligent measurement and adjustment instrument, control the actions such as its underground location, docking, regulating pondage;
Step 3, open wellhead of water injection well test strobe, unclamp test carriage cable parking brake, make downhole intelligent measurement and adjustment instrument transfer to designated layer position fast, now each actuating mechanism of measurement and adjustment instrument is in closed condition;
Step 4, operating personnel adjust design scheme according to survey, downhole intelligent measurement and adjustment instrument is placed on the most next stage injection well downhole flow regulator position of water injection well and carries out hanging survey, according to the operational order that computerized control system sends, carry out the measurement of instantaneous delivery, pressure, temperature, and control on ground computer screen shows constantly, examine the water yield of joining to compare with the injection allocation amount of injection allocation scheme and see the need of carrying out water yield adjustment, if desired the adjustment water yield carries out step 5, without the need to adjust measurement and adjustment instrument whole on carry to upper level;
Step 5, by measurement and adjustment instrument stop need to carry out model for water quantity allocation interval, on carry 1m, operator is by the detent mechanism of instruction unpack measurement and adjustment instrument, transfer measurement and adjustment instrument to be hampered at Concentric adjustable water distributor detent mechanism, and open regulating arm, regulate the movable cylinder of concentric roater regulator, change injection well downhole flow regulator delivery port size, thus reach the object of control hierarchy water injection rate, display screen understands the data such as the Real-time Feedback water yield, temperature, pressure;
Step 6, once up to survey according to above operation and adjust each layer water yield, and record related data, survey tune complete after on carry measurement and adjustment instrument to the above current stabilization of instrument section, and draw the water yield, temperature, pressure curve;
Step 7, measurement and adjustment instrument is proposed well head, the equipment such as dismounting shaft mouth anti-blowout pipe, whole survey allotment water conservancy project skill completes.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223902A (en) * | 2016-07-26 | 2016-12-14 | 中国石油天然气股份有限公司 | Cable built-in operation process for pre-arranged cable well |
| CN106321076A (en) * | 2016-10-19 | 2017-01-11 | 中国石油化工股份有限公司 | Method for testing starting pressure of water injection well |
| CN106837272A (en) * | 2016-12-27 | 2017-06-13 | 中国石油天然气股份有限公司 | Water injection well water distribution measuring and adjusting device and water distribution measuring and adjusting method |
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| WO1998050681A1 (en) * | 1997-05-02 | 1998-11-12 | Baker Hughes Incorporated | Wellbores utilizing fiber optic-based sensors and operating devices |
| CN101649733A (en) * | 2009-09-04 | 2010-02-17 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Concentric type integrated test modification water injection technology and device |
| WO2012166418A2 (en) * | 2011-05-27 | 2012-12-06 | Halliburton Energy Services, Inc. | Safety valve system for cable deployed electric submersible pump |
| CN202745841U (en) * | 2012-08-13 | 2013-02-20 | 中国石油天然气股份有限公司 | Concentric water distributor of water injection well |
| CN202832442U (en) * | 2012-09-07 | 2013-03-27 | 中国石油天然气股份有限公司 | Bridge type concentric intelligent testing and adjusting separate injection device |
| CN103670349A (en) * | 2012-09-07 | 2014-03-26 | 中国石油天然气股份有限公司 | Bridge type concentric intelligent testing and adjusting separate injection device and process |
-
2015
- 2015-06-26 CN CN201510363274.1A patent/CN104989343A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998050681A1 (en) * | 1997-05-02 | 1998-11-12 | Baker Hughes Incorporated | Wellbores utilizing fiber optic-based sensors and operating devices |
| CN101649733A (en) * | 2009-09-04 | 2010-02-17 | 中国石油化工股份有限公司胜利油田分公司采油工艺研究院 | Concentric type integrated test modification water injection technology and device |
| WO2012166418A2 (en) * | 2011-05-27 | 2012-12-06 | Halliburton Energy Services, Inc. | Safety valve system for cable deployed electric submersible pump |
| CN202745841U (en) * | 2012-08-13 | 2013-02-20 | 中国石油天然气股份有限公司 | Concentric water distributor of water injection well |
| CN202832442U (en) * | 2012-09-07 | 2013-03-27 | 中国石油天然气股份有限公司 | Bridge type concentric intelligent testing and adjusting separate injection device |
| CN103670349A (en) * | 2012-09-07 | 2014-03-26 | 中国石油天然气股份有限公司 | Bridge type concentric intelligent testing and adjusting separate injection device and process |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106223902A (en) * | 2016-07-26 | 2016-12-14 | 中国石油天然气股份有限公司 | Cable built-in operation process for pre-arranged cable well |
| CN106223902B (en) * | 2016-07-26 | 2018-09-18 | 中国石油天然气股份有限公司 | Cable built-in operation process for pre-arranged cable well |
| CN106321076A (en) * | 2016-10-19 | 2017-01-11 | 中国石油化工股份有限公司 | Method for testing starting pressure of water injection well |
| CN106321076B (en) * | 2016-10-19 | 2021-05-04 | 中国石油化工股份有限公司 | Water injection well starting pressure testing method |
| CN106837272A (en) * | 2016-12-27 | 2017-06-13 | 中国石油天然气股份有限公司 | Water injection well water distribution measuring and adjusting device and water distribution measuring and adjusting method |
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