CN1858399B - Electric hydraulic packer for oil pipe - Google Patents
Electric hydraulic packer for oil pipe Download PDFInfo
- Publication number
- CN1858399B CN1858399B CN200610044511A CN200610044511A CN1858399B CN 1858399 B CN1858399 B CN 1858399B CN 200610044511 A CN200610044511 A CN 200610044511A CN 200610044511 A CN200610044511 A CN 200610044511A CN 1858399 B CN1858399 B CN 1858399B
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- support arm
- motor
- oil pipe
- hydraulic cylinder
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Abstract
The electrohydraulic packer for oil pipe includes from top to bottom a flowmeter, a sealing section with outer rubber tube, a hydraulic cylinder liner, a support arm seat, a motor with output shaft connected via torsion sleeve and key to a screw, a pressing screw plug, a piston sleeve, a switch rod with pressure spring seat and pressure spring, and a wire tube with wire to the motor.
Description
One, technical field
The present invention relates to a kind of water injection well zonal testing that is used for, understand the tubing packer of looking in each layer injectivity index and the oil pipe leakage, specifically a kind of electric hydraulic packer for oil pipe.
Two, background technology
At present, the non-collective flow method is mostly adopted in the water injection well in oil fields zonal testing, i.e. center flow velocity and flow velocity method test layered absorbent amount.Because the influence of exoil field cost control at present and economic benefit, can not often change the oil pipe of water injection well, and oil pipe is subjected to the influence of sewage, after passing through half a year, 90 percent above encrustation is serious, cause the inner wall space channel diameter more and more littler, that have even big slightly instrument all can't pass through, being salvaged or deliver water distributing core all is stuck, because passage diminishes, the corresponding increase of the flow velocity of being surveyed, what have differs more than 2-3 times, thereby feed well zonal testing work brings huge difficulty, also produced disadvantageous analysis and judgement for geology department.
Three, summary of the invention
The purpose of this invention is to provide a kind of electric hydraulic packer for oil pipe, solve above-mentioned prior art, can't throw or salvage water distributor core, influence water well test and the inaccurate problem of test because the tube inner wall structure can't be descended tester.
Technical scheme of the present invention realizes in the following manner:
The present invention is by the flow meter joint, wire barrel, union, seal section, packing element, oil duct, the limbers, sealing ring, seal nipple, gland nut, compress plug screw, the motor fixed cover, motor, hydraulic cylinder, the torsion cover, bearing, sealing shroud, screw rod, swivel nut, piston bush, the upper support arm seat, the upper support arm, the lower support arm, the lower support arm seat, stage clip, press spring base and switch lever are formed, it is cylindrical to it is characterized in that electric hydraulic packer for oil pipe is made as, the flow meter joint is connected with seal section by union from top to bottom, seal section periphery card has packing element, seal section is threaded with hydraulic cylinder, and hydraulic cylinder is threaded with the upper support arm seat; The seal section bottom is threaded with seal nipple, and seal nipple is threaded with the motor fixed cover, and the motor fixed cover is connected by bearing with sealing shroud; The seal nipple lower central is provided with the plug screw that compresses that is threaded with seal nipple, the seal nipple lower end is pressed with the gland nut that is threaded with the motor fixed cover, motor is fixed in the motor fixed cover, motor output shaft is by the torsion cover, be connected with screw rod with key, the screw rod upper end is threaded with the internal thread of swivel nut, and the external screw thread of swivel nut is threaded with the internal thread of piston bush, and piston bush is threaded with switch lever; Be fixed with press spring base on the switch lever, be provided with stage clip between press spring base and the lower support arm seat; Be provided with electric wire in the wall of flow meter joint and connect the hole, the hole is provided with wire barrel, and wire barrel links to each other with connecting terminal of motor by seal section, seal nipple and the centre bore that compresses the plug screw three, is with motor power-supply wire in the wire barrel.
Set oil duct communicates with the packing element inner chamber in the wall of seal section middle and lower part, between oil duct and seal nipple and the hydraulic cylinder, between motor fixed cover and the hydraulic cylinder, set annular space communicates between sealing shroud and the hydraulic cylinder.
Screw rod is provided with external screw thread, oppositely cooperates with the swivel nut box thread, and the swivel nut external screw thread is threaded with piston bush and is connected with key.
The piston bush top diameter is big, and the bottom is made as square bar, and the top is provided with box thread, top week side be provided with O-ring seals, with hydraulic cylinder movingly, the interior square hole of bottom square bar and supporting arm base is movingly.
Be arranged with two platforms at upper support arm seat and lower support arm seat opposite end periphery, be arranged with two pairs of fixed axis on two platforms, be fixed with two pairs of rotational support arms on the fixed axis, each between flexibly connect with pin.
Be provided with the limbers in the seal section bottom.
Compared with the prior art the present invention has the following advantages:
The one, in the test process, can in oil pipe, card envelope in optional position realize measuring.The 2nd, the influence of latus rectum can realize accurate measurement in not managed arm and the oil pipe.The 3rd, can realize looking for leakage in the oil pipe.The 4th, because the achievement of the random test at the employing direct-reading signal transmission scene of being directly acquainted with how, improves test success rate and efficient.Can make a policy at the scene.The 5th, reduce labour intensity and improved economic benefit, improve the level that instructs water filling work.
Four, description of drawings
Accompanying drawing is a structural representation of the present invention
1-flow joint 2-wire barrel 3-union 4-seal section 5-packing element 6-oil duct 7-limbers 8-sealing ring 9-seal nipple 10-gland nut 11-compresses plug screw 12-motor fixed cover 13-motor 14-hydraulic cylinder 15-torsion cover 16-bearing 17-sealing shroud 18-screw rod 19-swivel nut 20-piston bush 21-upper support arm seat 22-upper support arm 23-lower support arm 24-lower support arm seat 25-stage clip 26-press spring base 27-switch lever among the figure
Five, the specific embodiment
For further disclosing technical scheme of the present invention, elaborate by embodiment below in conjunction with Figure of description: the present invention is by flow meter joint 1, wire barrel 2, union 3, seal section 4, packing element 5, oil duct 6, limbers 7, sealing ring 8, seal nipple 9, gland nut 10, compress plug screw 11, motor fixed cover 12, motor 13, hydraulic cylinder 14, torsion cover 15, bearing 16, sealing shroud 17, screw rod 18, swivel nut 19, piston bush 20, upper support arm seat 21, upper support arm 22, lower support arm 23, lower support seat arm 24, stage clip 25, press spring base 26 and switch lever 27 are formed, it is cylindrical to it is characterized in that electric hydraulic packer for oil pipe is made as, the flow meter joint is connected with seal section by union from top to bottom, seal section periphery card has packing element, seal section is threaded with hydraulic cylinder, and hydraulic cylinder is threaded with the upper support arm seat; The seal section bottom is threaded with seal nipple, and seal nipple is threaded with the motor fixed cover, and the motor fixed cover is connected by bearing with sealing shroud; The seal nipple lower central is provided with the plug screw that compresses that is threaded with seal nipple, the seal nipple lower end is pressed with the gland nut that is threaded with the motor fixed cover, motor is fixed in the motor fixed cover, motor output shaft is by the torsion cover, be connected with screw rod with key, the screw rod upper end is threaded with the internal thread of swivel nut, and the external screw thread of swivel nut is threaded with the internal thread of piston bush, and piston bush is threaded with switch lever; Be fixed with press spring base on the switch lever, be provided with stage clip between press spring base and the lower support arm seat; Be provided with electric wire in the wall of flow meter joint and connect the hole, the hole is provided with wire barrel, and wire barrel links to each other with connecting terminal of motor by seal section, seal nipple and the centre bore that compresses the plug screw three, is with motor power-supply wire in the wire barrel.
The course of work is: earlier the electronic packer of oil pipe is connected with the union 3 of packer with the probe lower end of collecting type direct-reading electromagnetic flowmeter, and will cross the lead of probe and the miniature cocurrent electromotor of packer links. (on the DC micromotor, having the very big star-like reducer of speed reducing ratio) axle that the miniature reducer of high speed reducing ratio is housed on the direct current generator is connected with the torsion screw mandrel. and torsion overlaps and is connected with piston bush again. and piston bush is contained in the hydraulic cylinder, on the piston seal face of piston bush sealing ring is housed again, the bottom of piston bush seals up with the switch lever of sealing again, piston bush again with hydraulic cylinder on the upper support arm seat be complementary, the upper support arm seat is used dowel fixes again, prevent its rotation. when ground powers to DC micromotor, the rotation of driven by motor reducer, reducer reduces the rotating speed of motor output, torsion increases, drive the rotation of torsion cover simultaneously, the swivel nut interior owing to torsion cover and piston bush is connected, it is up just to spur piston bush, be about to the fluid of piston bush front on the piston bush and push packing element to through annular space and oil duct, force packing element to expand to tube inner wall, thereby liquid is flow through from the measuring probe runner of instrument, thereby also obtain accurate flow measurement, the measure error of avoiding the variation because of caliber to cause. in the up process of piston bush, the switch lever that is connected with piston bush is also up thereupon, the compression spring, spring is compressed to that to a certain degree to promote the lower support arm seat again up, the upper support arm is up, forcing up and down again, support arm outwards struts, thereby support arm is stuck on the oil pipe inner arm, played and made instrument be in the center, prevented from again to cause the and then unfavorable factor of fluctuation of instrument because of the impulsion of current, guaranteed the stability and the measuring accuracy of apparatus measures. after testing, by ground conversion supplier of electricity to, conversion back direct current generator will reverse, again according to the said process counter motion, under the interlock of piston bush, not only with each associated components but also be returned to original position and state, if carry out the test of next target again, will repeat a reciprocal process again and can achieve the goal.
Claims (6)
1. electric hydraulic packer for oil pipe, by the flow meter joint, wire barrel, union, seal section, packing element, oil duct, the limbers, sealing ring, seal nipple, gland nut, compress plug screw, the motor fixed cover, motor, hydraulic cylinder, the torsion cover, bearing, sealing shroud, screw rod, swivel nut, piston bush, the upper support arm seat, the upper support arm, the lower support arm, the lower support arm seat, stage clip, press spring base and switch lever are formed, it is cylindrical to it is characterized in that electric hydraulic packer for oil pipe is made as, the flow meter joint is connected with seal section by union from top to bottom, seal section periphery card has packing element, seal section is threaded with hydraulic cylinder, and hydraulic cylinder is threaded with the upper support arm seat; The seal section bottom is threaded with seal nipple, and seal nipple is threaded with the motor fixed cover, and the motor fixed cover is connected by bearing with sealing shroud; The seal nipple lower central is provided with the plug screw that compresses that is threaded with seal nipple, the seal nipple lower end is pressed with the gland nut that is threaded with the motor fixed cover, motor is fixed in the motor fixed cover, motor output shaft is by the torsion cover, be connected with screw rod with key, the screw rod upper end is threaded with the internal thread of swivel nut, and the external screw thread of swivel nut is threaded with the internal thread of piston bush, and piston bush is threaded with switch lever; Be fixed with press spring base on the switch lever, be provided with stage clip between press spring base and the lower support arm seat; Be provided with electric wire in the wall of flow meter joint and connect the hole, the hole is provided with wire barrel, and wire barrel links to each other with connecting terminal of motor by seal section, seal nipple and the centre bore that compresses the plug screw three, is with motor power-supply wire in the wire barrel.
2. electric hydraulic packer for oil pipe according to claim 1, it is characterized in that set oil duct communicates with the packing element inner chamber in the wall of seal section middle and lower part, between oil duct and seal nipple and the hydraulic cylinder, between motor fixed cover and the hydraulic cylinder, set annular space communicates between sealing shroud and the hydraulic cylinder.
3. electric hydraulic packer for oil pipe according to claim 1 is characterized in that screw rod is provided with external screw thread, oppositely cooperates with the swivel nut box thread, and the swivel nut external screw thread is threaded with piston bush and is connected with key.
4. electric hydraulic packer for oil pipe according to claim 1 is characterized in that the piston bush top diameter is big, and the bottom is made as square bar, the top is provided with box thread, top week, side was provided with O-ring seals, with hydraulic cylinder movingly, the interior square hole of bottom square bar and supporting arm base is movingly.
5. electric hydraulic packer for oil pipe according to claim 1, it is characterized in that being arranged with two platforms at upper support arm seat and lower support arm seat opposite end periphery, be arranged with two pairs of fixed axis on two platforms, be fixed with two pairs of rotational support arms on the fixed axis, each between flexibly connect with pin.
6. electric hydraulic packer for oil pipe according to claim 1 is characterized in that being provided with the limbers in the seal section bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610044511A CN1858399B (en) | 2006-05-27 | 2006-05-27 | Electric hydraulic packer for oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610044511A CN1858399B (en) | 2006-05-27 | 2006-05-27 | Electric hydraulic packer for oil pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1858399A CN1858399A (en) | 2006-11-08 |
| CN1858399B true CN1858399B (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610044511A Expired - Fee Related CN1858399B (en) | 2006-05-27 | 2006-05-27 | Electric hydraulic packer for oil pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN1858399B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840177A (en) * | 2016-04-11 | 2016-08-10 | 中国石油天然气股份有限公司 | Self-contained liquid plunger driven rubber bag collector for well logging |
| CN110094180A (en) * | 2018-12-04 | 2019-08-06 | 贵州航天凯山石油仪器有限公司 | A kind of automatically controlled sealer under pressure and method |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979477B (en) * | 2012-11-28 | 2015-05-06 | 中国石油天然气股份有限公司 | Underground electric control compression packer |
| CN105221098B (en) * | 2015-09-22 | 2018-05-08 | 北京斯盛达石油设备科技有限公司 | A kind of electric packer and its application method |
| CN105696965B (en) * | 2016-04-20 | 2018-03-27 | 中国石油集团西部钻探工程有限公司 | Electrodynamic type packer |
| CN105927182B (en) * | 2016-06-30 | 2018-09-25 | 河南科技大学 | A kind of novel packer based on environmental pressure |
| CN105909205B (en) * | 2016-06-30 | 2018-04-10 | 河南科技大学 | A kind of New Active hydraulic control packer |
| CN109882112B (en) * | 2019-03-06 | 2021-11-26 | 王成军 | Inflation self-sealing packer |
| CN113847018A (en) * | 2021-09-30 | 2021-12-28 | 于婷婷 | General pilot production tool for packing off earth formation |
| CN115653532B (en) * | 2022-11-16 | 2023-03-21 | 东营孚瑞特能源设备有限公司 | Diameter-variable temporary plugging device for oil pipe |
| CN116066011B (en) * | 2023-03-20 | 2023-06-16 | 四川圣诺油气工程技术服务有限公司 | Oil pipe plug and use method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580095Y (en) * | 2002-09-27 | 2003-10-15 | 辽河石油勘探局工程技术研究院 | Hydraulic collision pressure type well completion pipe string suspension packer |
| CN2709644Y (en) * | 2004-07-31 | 2005-07-13 | 李方明 | Hydraulic boost buffer expanding packer |
-
2006
- 2006-05-27 CN CN200610044511A patent/CN1858399B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2580095Y (en) * | 2002-09-27 | 2003-10-15 | 辽河石油勘探局工程技术研究院 | Hydraulic collision pressure type well completion pipe string suspension packer |
| CN2709644Y (en) * | 2004-07-31 | 2005-07-13 | 李方明 | Hydraulic boost buffer expanding packer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840177A (en) * | 2016-04-11 | 2016-08-10 | 中国石油天然气股份有限公司 | Self-contained liquid plunger driven rubber bag collector for well logging |
| CN105840177B (en) * | 2016-04-11 | 2019-05-21 | 中国石油天然气股份有限公司 | Self-contained liquid plunger driven rubber bag collector for well logging |
| CN110094180A (en) * | 2018-12-04 | 2019-08-06 | 贵州航天凯山石油仪器有限公司 | A kind of automatically controlled sealer under pressure and method |
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| Publication number | Publication date |
|---|---|
| CN1858399A (en) | 2006-11-08 |
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Granted publication date: 20100512 Termination date: 20130527 |