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CN2700538Y - Horizontal radial drilling device - Google Patents

Horizontal radial drilling device Download PDF

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Publication number
CN2700538Y
CN2700538Y CN 200420030140 CN200420030140U CN2700538Y CN 2700538 Y CN2700538 Y CN 2700538Y CN 200420030140 CN200420030140 CN 200420030140 CN 200420030140 U CN200420030140 U CN 200420030140U CN 2700538 Y CN2700538 Y CN 2700538Y
Authority
CN
China
Prior art keywords
pipe
oil
horizontal radial
well
wire rope
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.)
Expired - Fee Related
Application number
CN 200420030140
Other languages
Chinese (zh)
Inventor
李永和
施连海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaohe Petroleum Exploration Bureau
Original Assignee
Liaohe Petroleum Exploration Bureau
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liaohe Petroleum Exploration Bureau filed Critical Liaohe Petroleum Exploration Bureau
Priority to CN 200420030140 priority Critical patent/CN2700538Y/en
Application granted granted Critical
Publication of CN2700538Y publication Critical patent/CN2700538Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a horizontal radial drilling device, belonging to the class of the downhole tool of the well drilling. The oil well is contaminated and influenced by the boring fluid, the cement-liquid fluid and the flushing fluid in the process of working. The formation is subjected to the damage. The oil extracting is influenced. The contaminated zone can not be penetrated through the general gun perforation method. The problem can not be thoroughly solved by means of the chemical method and other measures. The device adopted by the utility model is the waterpower radial drilling equipment composed of a turning control, an anchoring device and an injecting part. When drilling hole, the injection pipe in the turning control device is injected in the contaminated formation in the condition of earth surface pressing, the injecting distance is 3-5 meters. In addition, the casing tube in the well is not damaged. The containing rock is not compacted secondarily. In addition, the device has the advantages of simple structure and high reliability. The depth of the breakthrough formation is 4-5 meters. The oil layer can maintain the good oil outlet pore passage. Thereby, the production cost of the oil well is reduced. Therefore, the horizontal radial drilling device can be widely appliedin the boring field of the petroleum engineering.

Description

A kind of horizontal radial drilling equipment
Technical field:
The utility model provides a kind of horizontal radial drilling equipment, belongs to drilling well downhole tool class.
Background technology:
Oil-gas Layer enters in the recovery process in the brill completion, inevitably be subjected to the pollution of drilling fluid, cement liquid, flushing fluid, in the stratum that takes place in the great majority infringement, use conventional perforating methods to be difficult to pass through this contaminated zone, if adopt common operation well stimulation fundamentally to pass through this problem in the contaminated solution stratum.Drilling technique is worn in common abroad employing deeply, but because of the tool construction complexity, poor reliability, the construction success rate is low, and earth penetrating is more shallow, only about 2 meters, can not satisfy the needs of oil recovery.
The utility model content:
The utility model purpose is in order to overcome above-mentioned shortcoming, and a kind of horizontal radial drilling equipment that provides.This device can be realized the radial level of 2~3 meters in oil reservoir is crept into, and can penetrate formation contaminant band in the well, and can to set up diameter in the stratum be 20~30 millimeters oil flow channels, also can overcome because of perforating bullet to secondary compaction influence that reservoir rock brought.
The utility model implementation:
Be to realize the task of the utility model proposes, this device has adopted by derrick, ground high-pressure pump and suspending wire rope above the derrick in midair, and form by the controller of sending to that wire rope one end links.The wire rope other end is by oil pipe in the well and the high pressure seal in the sleeve pipe, link together with the screw thread ring, described high pressure seal outside, linking a screwed steering controller, the upper end of controller is connected above the oil pipe, there is standard the steering controller lower end, and tubing round thread and positioning pipe link together, and positioning anchor is housed in positioning pipe and the fixture block by the top is stuck in above the sleeve pipe.
Described steering controller is the hollow cylinder shape pipe, and roller is installed in hollow circuit cylinder, and its roller is arranged the track that the back forms a smooth curved in order.
Described positioning anchor is a cylindrical structural, and there is slidably fixture block its upper part, and this slide block can be along the upper and lower slip of sleeve pipe.
The utility model is compared with existing technology, has distinguishing feature:
Because the utility model has adopted the device of waterpower radial bore, the control system of sending into by the anchoring device in the device and steering controller and spout part and ground, realized the drilling construction of down-hole radial hole, also can carry out 2~3 meters radial level to oil reservoir during construction creeps into, creep into the oil flow channel of formation can penetration stain band, and during perforation, can not produce secondary compaction to reservoir, really realize the purpose of oil reservoir radial bore, thereby can reduce the cost of winning of oil well.
Description of drawings:
Figure is the utility model structural representation.
The specific embodiment:
The utility model is provided by following examples, below in conjunction with accompanying drawing the utility model is described further:
Among the figure by 1, high-pressure pump, 2, derrick, 3, wire rope, 4, send controller to, 5, sleeve pipe, 6, oil pipe, 7, high pressure seal, 8, steering controller, 9, track, 10, playpipe, 11, positioning anchor, 12, positioning pipe, 13, oil reservoir, 14, wellhead sealing device, 15, fixture block forms.
High-pressure pump 1 is a high-pressure hydraulic pump that is located at the ground pithead position, be connected with annular space in the down-hole oil tube by high pressure line, wire rope 3 one ends be connected send to controller 4 above, the playpipe 10 of the other end in the high pressure seal 7 of lower sheave and derrick pulley and down-hole, connecting end is connected together, the effect of wire rope is with playpipe 10, by well mouth sealing device 14, in oil pipe, be sent in the steering controller 8, described oil pipe is 21/2 inch steel high pressure seamless pipe, this oil pipe upper end with screw thread be bound up on wellhead sealing device 14 above, the lower end steering controller 8 with screwed connection, and steering gear 8 lower ends are that standard oil gas thread button is connected with positioning pipe 12.
The positioning anchor 11 of packing in positioning pipe 12 is a cylindrical positioner, and the fixture block 15 that can slide is arranged thereon, and this slide block can make positioning anchor 11 be stuck in above the sleeve pipe 5 by hydraulic oil tubing string 6 upper and lower active fastening blocks 15, to prevent the positioning anchor activity.There are circular duct and positioning pipe 12 to work in coordination in the positioning anchor, and together connected to each other with screw.
Described wellhead sealing device 14, for one or more groups sealing device of forming by V-type or O RunddichtringO be sealed in wire rope 3 around.
Sending controller 4 to is a winch that the steel wire rope is housed, and can control the rising of wire rope and transfers by power.
Described steering controller 8 is the hollow cylinder shape pipe, the roller of arranging in order is housed in the hollow round column therein, roller after the arrangement forms the track of an even surface bending, playpipe 10 is housed in the middle of the roller in the hollow cylinder shape pipe, this playpipe is surrounded by high pressure seal 7, can play the effect of sealed chamber like this, this device also can be playpipe 10 preceding motive force is provided when creeping into.
Described playpipe 10 is a high voltage bearing rigidity or semi-rigid metal hollow circular tube, its external diameter is 8~16 millimeters of Φ, and internal diameter is between 6~15 millimeters, and the hollow circular tube front end has the taper nozzle, playpipe stretches out along the direction of setting by the track 9 in the steering controller 8 time.
Described track 9 is installed in the steering controller 8, in track 9 roller is housed, and purpose is the resistance that runs into when playpipe advances in order to reduce.
In steering controller 8 lower ends, be connected with positioning pipe 12, this pipe links together with the track and the positioning anchor 11 that can slide.
Positioning anchor is fixed on the internal surface of sleeve pipe when work, has only under the fixed condition, and playpipe just can carry out the construction of waterpower radial bore.
The utility model operating principle is:
At first with oil pipe with steering controller 8, positioning anchor 11 is sent into the down-hole to giving the position of deciding boring, after treating steering controller 8 arrival and location, with wire rope playpipe 10 is passed through wellhead sealing device 14 again, in oil pipe 6, deliver in the steering controller 8, pressurization then, liquid stream, under the effect of ground high-pressure pump, playpipe is advanced along the track of steering controller, do the time spent when the surface pump pressure holding is continuous, by sending the control of controller 4 to, the playpipe jet enters 3~5 meters constructions of promptly finishing a radial hole in the oil reservoir from sleeve pipe 5.Same process, again to other eyelet construction, in this device, the jetting fluid in the playpipe can adopt clear water or be mixed with the mixing material of abrasive material, should be understood that to be to use the mixed liquor that is mixed with abrasive material can help accelerating jetting speed, and can reduce expulsion pressure.

Claims (3)

1, a kind of horizontal radial drilling equipment is made up of the controller (4) of sending to of derrick (2), ground high-pressure pump (1) and wire rope (3) that is suspending in midair by derrick and the binding of wire rope one end; It is characterized in that: the described steel wire rope other end links together with the screw thread ring by the interior high pressure seal (7) of oil pipe (6) in the well and sleeve pipe (5), in described high pressure seal (7) outside, linking a screwed steering controller (8), the upper end of this controller is connected on the oil pipe, lower end standard oil gas thread and positioning pipe (12), link together, positioning anchor (11) is housed in the described positioning pipe, and the fixture block on the positioning anchor (15) is stuck in above the sleeve pipe (5).
2, a kind of horizontal radial well drilling equipment according to claim 1; It is characterized in that steering controller (8), be the hollow cylinder shape pipe, roller is installed in hollow circuit cylinder, its roller is arranged the back in order and is formed a level and smooth and crooked track (9).
3, a kind of horizontal radial well drilling equipment according to claim 1; It is characterized in that positioning anchor (11), is a cylindrical structural, and the fixture block of the slip above it (15) can be along the upper and lower activity of sleeve pipe.
CN 200420030140 2004-01-13 2004-01-13 Horizontal radial drilling device Expired - Fee Related CN2700538Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420030140 CN2700538Y (en) 2004-01-13 2004-01-13 Horizontal radial drilling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420030140 CN2700538Y (en) 2004-01-13 2004-01-13 Horizontal radial drilling device

Publications (1)

Publication Number Publication Date
CN2700538Y true CN2700538Y (en) 2005-05-18

Family

ID=34772084

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420030140 Expired - Fee Related CN2700538Y (en) 2004-01-13 2004-01-13 Horizontal radial drilling device

Country Status (1)

Country Link
CN (1) CN2700538Y (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101629474B (en) * 2009-08-19 2012-06-27 大庆油田有限责任公司 Ground-driven underground horizontal boring method for oil well
CN101158271B (en) * 2007-11-19 2012-07-04 大庆油田有限责任公司 Oil-water well oil layer positioning deep penetration horizontal drilling device
CN103061674A (en) * 2012-11-29 2013-04-24 中国石油集团长城钻探工程有限公司 Underwell oil layer driller
CN103154417A (en) * 2010-03-31 2013-06-12 Tracto技术有限责任两合公司 Horizontal drilling equipment
CN101960086B (en) * 2008-03-06 2013-11-20 R·弗里耶 Method and apparatus for making lateral holes outside a wellbore
CN108868676A (en) * 2018-05-31 2018-11-23 中国石油集团长城钻探工程有限公司 A casing penetrating borehole wall coring tool
CN109236221A (en) * 2018-11-20 2019-01-18 天津瑞盈通科技有限公司 A kind of hydraulic perforating anchoring device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101158271B (en) * 2007-11-19 2012-07-04 大庆油田有限责任公司 Oil-water well oil layer positioning deep penetration horizontal drilling device
CN101960086B (en) * 2008-03-06 2013-11-20 R·弗里耶 Method and apparatus for making lateral holes outside a wellbore
CN101629474B (en) * 2009-08-19 2012-06-27 大庆油田有限责任公司 Ground-driven underground horizontal boring method for oil well
CN103154417A (en) * 2010-03-31 2013-06-12 Tracto技术有限责任两合公司 Horizontal drilling equipment
CN103154417B (en) * 2010-03-31 2015-08-19 Tracto技术有限责任两合公司 Horizontal drilling equipment
CN103061674A (en) * 2012-11-29 2013-04-24 中国石油集团长城钻探工程有限公司 Underwell oil layer driller
CN108868676A (en) * 2018-05-31 2018-11-23 中国石油集团长城钻探工程有限公司 A casing penetrating borehole wall coring tool
CN109236221A (en) * 2018-11-20 2019-01-18 天津瑞盈通科技有限公司 A kind of hydraulic perforating anchoring device
CN109236221B (en) * 2018-11-20 2020-10-09 天津瑞盈通科技有限公司 Hydraulic perforation anchoring device

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee