CN104695914A - Sand control string for sectional high-pressure packing in pipe of horizontal well - Google Patents
Sand control string for sectional high-pressure packing in pipe of horizontal well Download PDFInfo
- Publication number
- CN104695914A CN104695914A CN201310656621.0A CN201310656621A CN104695914A CN 104695914 A CN104695914 A CN 104695914A CN 201310656621 A CN201310656621 A CN 201310656621A CN 104695914 A CN104695914 A CN 104695914A
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- high pressure
- pipe
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- packing
- horizontal well
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- 238000012856 packing Methods 0.000 title claims abstract description 59
- 239000004576 sand Substances 0.000 title claims abstract description 36
- 238000006243 chemical reaction Methods 0.000 claims abstract description 76
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000000725 suspension Substances 0.000 claims abstract description 21
- 239000012530 fluid Substances 0.000 claims abstract description 7
- 230000011218 segmentation Effects 0.000 claims description 23
- 239000010985 leather Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000011161 development Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000003111 delayed effect Effects 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000009918 complex formation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
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- 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
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- 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)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a sand control string for sectional high-pressure packing in a pipe of a horizontal well. The sand control string comprises a suspension release device, a connecting pipe, a high-pressure outward packing unit, a pressure raising device, a liquid flow conversion device, a formation-annular space packing conversion mechanism and a bottom screwed plug, wherein the suspension release device mainly comprises a seat seal release mechanism which is arranged on the outer side of the upper end of the connecting pipe; the rear end of the connecting pipe is connected with the liquid flow conversion device; the rear end of the liquid flow conversion device is connected with the formation-annular space packing conversion mechanism; the pressure raising device is arranged on the connecting pipe; the high-pressure outward packing unit sleeves on the connecting pipe, the pressure raising device, the liquid flow conversion device and the formation-annular space packing conversion mechanism which are connected in sequence in a suspended manner; a front end suspension packer sleeves on the front end of the high-pressure outward packing unit, and the bottom screwed plug is arranged at the rear end of the high-pressure outward packing unit. By applying the sand control string, the fine development and even fluid production of the horizontal well are realized, the productivity of the horizontal well is given full play, the horizontal well is delayed to enter into the high water cut period too early, and the life of the sand control horizontal well is prolonged.
Description
Technical field
The present invention relates to oil exploitation underground work pipe column, specifically segmentation high-pressure packing sand-control tubing string in horizontal well tube.
Background technology
Along with horizontal well technology is applied on a large scale at loose sand oil accumulation, it is more complicated that Horizontal Well Drilling meets Oil Reservoir Types, well Duan Gengchang, there are non-average oil reservoir, mud stone, dried layer, gas-bearing formation or high aquifer formation etc. in drilling strata of being everlasting, for this kind of well, setting of casing is cemented the well, and then selective perforating carries out distinguishing the mining type that completion is science the most, and this requires higher to horizontal well sand control technique.Current is generally adopt general extension sand screen or the complete general gravel pack technique of pit shaft for horizontal well sand control, does not have segmentation packing to distinguish the technology of filling, is difficult to the yield heterosis giving full play to long well section horizontal wells; Even if for the horizontal well Homogeneous Reservoir compared with long well section, general huge discharge back-up sand can only yet and does not controlledly enter that certain is a bit of, and have the risk squeezing neighbouring water layer, segmentation difference transformation and sand control construction can not be carried out targetedly to whole stratum, the heterogeneous reservoir of complex formation still more, this is the difficult problem that Horizontal Wells in Loose Sand Reservoirs exploitation faces.
Summary of the invention
The object of the present invention is to provide segmentation high-pressure packing sand-control tubing string in horizontal well tube, one-trip string completes the extruding of segmentation stratum, the stages cycle filling of multiple interval, and guarantee between each section separate, do not interfere with each other, thus reach optimum level well segmentation sand control production effect, realize horizontal well fine development, even production fluid, give full play to horizontal productivity, delay to enter high water-cut stage too early, extend the sand control horizontal well life-span.
In order to reach above-mentioned purpose, present invention employs following technical scheme, segmentation high-pressure packing sand-control tubing string in horizontal well tube, comprise suspension sub-releasing device, tube connector, the outer filling unit of high pressure, play pressure device, liquid stream conversion device, stratum-annular pack switching mechanism, bottom plug, described suspension sub-releasing device mainly comprises setting releasing gadget, described setting releasing gadget is arranged on outside tube connector upper end, described tube connector rear end connecting fluid stream conversion device, connection stratum-annular pack the switching mechanism of described liquid stream conversion device rear end, on described tube connector and liquid stream conversion device anterior position has been provided with pressure device, the outer filling unit air of described high pressure is enclosed within the tube connector be connected successively, play pressure device, liquid stream conversion device, the outside of stratum-annular pack switching mechanism also forms annular space each other, the outer filling unit front end outer side cover of described high pressure has front suspension packer, rearward end then arranges bottom plug, described liquid stream conversion is set up and arranges filling mouth in the high pressure that is communicated with tube connector, the outer filling unit of described high pressure is provided with corresponding with filling mouth in high pressure with the use of the outer filling mouth of high pressure.
The outer filling unit of described high pressure at least arranges two covers, and unit separates with Inter-zonal packing device between any two, the outer filling unit of described high pressure comprises high pressure packing outer tube, outer filling cover, one-way piston, spring, interstage sleeve, sand control pipe, the outer filling mouth of described high pressure offered by described high pressure packing outer tube and cover has one-way piston outside this filling mouth, one-way piston front end outer side arranges outer filling cover, one-way piston rear is provided with the interstage sleeve be enclosed within high pressure packing outer tube, mounting spring between described one-way piston and interstage sleeve, described interstage sleeve rear is provided with the sand control pipe be enclosed within high pressure packing outer tube.
Described high pressure packing outer tube is provided with the boss for locating outer filling cover, and outer filling cover is threaded connection outside the outer filling mouth that is enclosed within high pressure packing outer tube, and outer filling cover lower end is designed to inclined-plane, and the upper outside of one-way piston is also designed to respective ramp.
Described pressure device comprises joint ring, cuts off pin, plays pressure head, described pressure head is fixed on tube connector inside by cutting off pin, described joint ring is arranged on tube connector outer wall and seals up cuts off pin outer fix, described tube connector bottom is blind plugging structure without through hole, when being subject to the larger hydraulic pressure from ground, shear pin is fixed is cut off, and plays pressure head and falls tube connector bottom; Described tube connector with rise be provided with Kong Bingyu liquid stream conversion device between pressure device high pressure in filling mouth be communicated with.
Described liquid stream conversion device comprises internal conversion pipe and external conversion pipe, described internal conversion pipe is positioned at inside external conversion pipe upper end, uniform 2 raised lines on internal conversion pipe, internal conversion pipe forms spout between remaining part and external conversion pipe except raised line, radial direction through hole is equipped with in raised line, external conversion pipe is connected with internal conversion pipe by welding manner, external conversion pipe also offers hole at the radial direction through hole correspondence position of above-mentioned internal conversion pipe, filling mouth in described tube connector, internal conversion pipe formation high pressure corresponding with the hole on external conversion pipe.
Described stratum-annular pack switching mechanism comprises circulating sleeve, slip pipe, leather cup, self-styled seat, described circulating sleeve is provided with 2 uniform circulation ports, 2 circulation ports seal by the outside that described slip pipe is enclosed within circulating sleeve, described slip pipe bottom is threaded with self-styled seat, described leather cup is arranged on outside the slip pipe above self-styled seat, and self-styled seat supports leather cup makes leather cup opening direction forward.
Leave cannelure after the screw thread be connected with slip pipe in described self-styled seat, for installing self-locking ring in cannelure, bottom circulating sleeve, overcoat has baffle ring, is provided with and prevents revolving pin between described self-styled seat and slip pipe.
Compared to prior art, the present invention has following beneficial effect:
This tubing string comprises filling assembly, stratum-annular pack switching mechanism composition in suspension sub-releasing device, the outer filling unit of high pressure, sand control pipe, Inter-zonal packing device, high pressure, often increase a segmentation, increase a set of high pressure outer filling unit, sand control pipe, Inter-zonal packing.Take sand flow body in tubing string, the high pressure packing in oil-well strata certain limit is completed by the cooperation of assembly in the outer filling unit of high pressure and high pressure, complete the gravel pack between sand-proof pipe and production string under the transformation of then stratum-annular pack switching mechanism, one-trip string completes the extruding of segmentation stratum, the stages cycle filling of multiple interval.
One-trip string of the present invention completes the multiple segmentation stratum extruding of long well section horizontal well, stages cycle filling; And guarantee between each section separate, do not interfere with each other, thus reach optimum level well segmentation sand control production effect, realize horizontal well fine development, even production fluid, gives full play to horizontal productivity, delays to enter high water-cut stage too early, extends the sand control horizontal well life-span.Without the need to pitching, complete horizontal segment packer setting, realize the function that Inter-zonal packing, the sealing of oil jacket annular space and sand control pipe are given up, safe and reliable; High pressure packing unit flexibility and reliability, ensure that the enforcement of each section of stratum squeeze pack transformation sand control; Stratum-annular pack switching mechanism directly carries out flow pack after realizing stratum high pressure packing, ensure that the compaction rate of screen jacket annular pack.
Accompanying drawing explanation
Fig. 1 is segmentation high-pressure packing sand-control tubular column structure schematic diagram in horizontal well tube of the present invention;
Fig. 2 is the structural representation of first half section of the present invention;
Fig. 3 is the structural representation of second half section of the present invention.
In figure: suspension sub-releasing device 1, setting releasing gadget 2, front suspension packer 3, the outer filling unit 4 of high pressure, high pressure packing outer tube 5, outer filling cover 6, one-way piston 7, spring 8, interstage sleeve 9, sand control pipe 10, Inter-zonal packing 11, the outer filling unit 12 of high pressure, outer filling cover 13, joint ring 14, one-way piston 15, play pressure device 16, cut off pin 17, play pressure head 18, spring 19, interstage sleeve 20, liquid stream conversion device 21, tube connector 22, internal conversion pipe 23, external conversion pipe 24, sand control pipe 25, stratum-annular pack switching mechanism 26, circulating sleeve 27, slip pipe 28, leather cup 29, self-styled seat 30, prevent revolving pin 31, self-locking ring 32, baffle ring 33, bottom plug 34.
Detailed description of the invention
Detailed description for the present invention and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides with reference to the use with explanation, is not used for being limited the present invention.
With reference to accompanying drawing 1-3, segmentation high-pressure packing sand-control tubing string in horizontal well tube, form primarily of suspension sub-releasing device 1, the outer filling unit 4 of high pressure, sand control pipe 10, Inter-zonal packing device 11, a pressure device 16, liquid stream conversion device 21, stratum-annular pack switching mechanism 26 and bottom plug 34, often increase a segmentation, increase a set of high pressure outer filling unit 4, sand control pipe 10, Inter-zonal packing device 11.(below to divide two sections to be introduced long well section horizontal well).
Suspension sub-releasing device 1 comprises setting releasing gadget 2 and front suspension packer 3.Setting releasing gadget 2 is connected with a pressure device 16, liquid stream conversion device 21, stratum-annular pack switching mechanism 26; Front suspension packer 3 connects the outer filling unit 4 of leading portion high pressure, leading portion sand control pipe 10, Inter-zonal packing device 11, back segment high pressure outer filling unit 12, back segment sand control pipe 25 and bottom plug 34 successively.
Setting releasing gadget 2 is connected with liquid stream conversion device 21 with a pressure device 16 by tube connector 22, playing pressure device 16 has comprised pressure head 18, joint ring 14 and has cut off pin 17(4 individual uniform), tube connector 22 bottom is blind plugging structure without through hole, when being subject to the larger hydraulic pressure from ground, shear pin fixed 17 is cut off, and plays pressure head 18 and falls tube connector 22 bottom, 2 uniform holes are provided with between tube connector 22 bottom and a pressure device 16, coordinate with liquid stream conversion device 21 and form filling mouth in high pressure, liquid stream conversion device 21 comprises internal conversion pipe 23 and external conversion pipe 24, uniform 2 raised lines on internal conversion pipe 23, internal conversion pipe 23 forms spout between remaining part and external conversion pipe 24 except raised line, radial direction through hole is equipped with in raised line, external conversion pipe 24 is connected with internal conversion pipe 23 by welding, and in uniform 2 holes of radial direction through hole correspondence position, tube connector 22, filling mouth in internal conversion pipe 23 formation high pressure corresponding with the hole on external conversion pipe 24.
External conversion pipe 24 bottom of liquid stream conversion device 21 is connected with stratum-annular pack switching mechanism 26, stratum-annular pack switching mechanism 26 comprises circulating sleeve 27, slip pipe 28, leather cup 29, self-styled seat 30, prevent revolving pin 31, self-locking ring 32 and baffle ring 33, circulating sleeve 27 is provided with 2 uniform circulation ports, 2 circulation ports seal by the outside that slip pipe 28 is enclosed within circulating sleeve 27, slip pipe 28 bottom is threaded with self-styled seat 30, self-styled seat 30 supports leather cup 29 and makes its opening direction forward, cannelure is left after the screw thread be connected with slip pipe 28 in self-styled seat 30, for installing self-locking ring 32, bottom circulating sleeve 27 with between baffle ring 33 be threaded.
Front suspension packer 3 rear end is connected with the outer filling unit 4 of leading portion high pressure, its structure is identical with the outer filling unit 12 of back segment high pressure, comprise high pressure packing outer tube 5, outer filling cover 6 (in the outer filling unit 12 of back segment high pressure 13), one-way piston 7 (in the outer filling unit 12 of back segment high pressure 15), spring 8 (in the outer filling unit 12 of back segment high pressure 19) and interstage sleeve 9 (in the outer filling unit 12 of back segment high pressure 20) composition, high pressure packing outer tube is provided with boss for locating and 4 uniform outer filling mouths.Outer filling cover 6 is threaded connection outside the outer filling mouth that is enclosed within high pressure packing outer tube 5, its lower end is designed to inclined-plane, the upper outside of one-way piston 7 is designed to respective ramp, rely under the effect of spring 8 outer filling cover 6 inclined-plane, the lower end design interstage sleeve 9 of spring 8 limits the motion of its axis.
When the present invention uses at the scene, undertaken by following operation sequence:
Segmentation high-pressure packing sand-control tubing string in horizontal well tube is connected by the order illustrated of Fig. 2 to Fig. 3, design attitude in lower going-into-well, hydraulic pressure is beaten from oil pipe, make the setting suspension of front suspension packer 3 of suspension sub-releasing device 1, continue raised pressure, the pin 17 of cutting off risen in pressure device 16 disconnects, play that pressure head 18 is descending falls tube connector 22 bottom, rotate forward tubing string setting releasing gadget 2 and front suspension packer 3 are separated, on carry setting releasing gadget 2 and connected pressure device 16, liquid stream conversion device 21, stratum-annular pack switching mechanism 26, after encountering the positioning boss of Inter-zonal packing device 11 to external conversion pipe 24 top of liquid stream conversion device 21, continue to beat hydraulic pressure from oil pipe, liquid filling mouth in high pressure makes Inter-zonal packing device 11 setting, interval packing before and after long well section oil reservoir is opened.Transferring tubing string makes external conversion pipe 24 top of liquid stream conversion device 21 encounter back segment high pressure outer filling unit 12 posterior segment positioning boss, in high pressure, filling mouth aligns with the outer filling mouth of back segment high pressure, pump into from oil pipe huge discharge and take sand flow body, take sand flow body to filling mouth inside and outside high pressure, go after promoting one-way piston 15 Compress Spring 19, high pressure packing passage is opened completely, takes sand flow body and enters stratum, implements stratum high pressure packing.
Then movable tubing string, to cut off in stratum-annular pack switching mechanism 26 anti-revolves pin 31, slip pipe 28, leather cup 29 and self-styled seat 30 retreat the front end to baffle ring 33, circulation port on circulating sleeve 27 is opened, upper lifting pipe post encounters back segment high pressure outer filling unit 12 posterior segment positioning boss to external conversion pipe 24 top of liquid stream conversion device 21, in high pressure, filling mouth aligns with the outer filling mouth of back segment high pressure, pump into from oil pipe small displacement and take sand flow body, fluid enters the annular space that back segment sand control pipe 25 is formed with production string, it is peripheral that pack gravel is deposited on back segment sand control pipe 25, liquid enters in tubing string through sand-proof pipe, circulation port on circulating sleeve 27, because the pressure head 18 that rises risen in pressure device 16 had fallen tube connector 22 bottom before the high pressure packing of stratum, returning fluid directly returns well head after liquid stream translation groove enters tube connector 22 on liquid stream conversion device 21, complete the flow pack of back segment.
To tubing string be carried to leading portion equally, complete stratum extruding and the circulating gravel packing of leading portion.
The foregoing is only preferred embodiment of the present invention, be not used to limit the scope of the claims of the present invention, other use the equivalence of patent spirit of the present invention to change, and all should all belong to the scope of the claims of the present invention.
Claims (7)
1. segmentation high-pressure packing sand-control tubing string in horizontal well tube, it is characterized in that, comprise suspension sub-releasing device, tube connector, the outer filling unit of high pressure, play pressure device, liquid stream conversion device, stratum-annular pack switching mechanism, bottom plug, described suspension sub-releasing device mainly comprises setting releasing gadget, described setting releasing gadget is arranged on outside tube connector upper end, described tube connector rear end connecting fluid stream conversion device, connection stratum-annular pack the switching mechanism of described liquid stream conversion device rear end, on described tube connector and liquid stream conversion device anterior position has been provided with pressure device, the outer filling unit air of described high pressure is enclosed within the tube connector be connected successively, play pressure device, liquid stream conversion device, the outside of stratum-annular pack switching mechanism also forms annular space each other, the outer filling unit front end outer side cover of described high pressure has front suspension packer, rearward end then arranges bottom plug, described liquid stream conversion is set up and arranges filling mouth in the high pressure that is communicated with tube connector, the outer filling unit of described high pressure is provided with corresponding with filling mouth in high pressure with the use of the outer filling mouth of high pressure.
2. segmentation high-pressure packing sand-control tubing string in horizontal well tube according to claim 1, it is characterized in that, the outer filling unit of described high pressure at least arranges two covers, and unit separates with Inter-zonal packing device between any two, the outer filling unit of described high pressure comprises high pressure packing outer tube, outer filling cover, one-way piston, spring, interstage sleeve, sand control pipe, the outer filling mouth of described high pressure offered by described high pressure packing outer tube and cover has one-way piston outside this filling mouth, one-way piston front end outer side arranges outer filling cover, one-way piston rear is provided with the interstage sleeve be enclosed within high pressure packing outer tube, mounting spring between described one-way piston and interstage sleeve, described interstage sleeve rear is provided with the sand control pipe be enclosed within high pressure packing outer tube.
3. segmentation high-pressure packing sand-control tubing string in horizontal well tube according to claim 2, it is characterized in that, described high pressure packing outer tube is provided with the boss for locating outer filling cover, outer filling cover is threaded connection outside the outer filling mouth that is enclosed within high pressure packing outer tube, outer filling cover lower end is designed to inclined-plane, and the upper outside of one-way piston is also designed to respective ramp.
4. segmentation high-pressure packing sand-control tubing string in horizontal well tube according to claim 3, it is characterized in that, described pressure device comprises joint ring, cuts off pin, plays pressure head, described pressure head is fixed on tube connector inside by cutting off pin, described joint ring is arranged on tube connector outer wall and seals up cuts off pin outer fix, described tube connector bottom is blind plugging structure without through hole, and when being subject to the larger hydraulic pressure from ground, shear pin is fixed is cut off, and plays pressure head and falls tube connector bottom; Described tube connector with rise be provided with Kong Bingyu liquid stream conversion device between pressure device high pressure in filling mouth be communicated with.
5. segmentation high-pressure packing sand-control tubing string in horizontal well tube according to claim 1, it is characterized in that, described liquid stream conversion device comprises internal conversion pipe and external conversion pipe, described internal conversion pipe is positioned at inside external conversion pipe upper end, uniform 2 raised lines on internal conversion pipe, internal conversion pipe forms spout between remaining part and external conversion pipe except raised line, radial direction through hole is equipped with in raised line, external conversion pipe is connected with internal conversion pipe by welding manner, external conversion pipe also offers hole at the radial direction through hole correspondence position of above-mentioned internal conversion pipe, described tube connector, filling mouth in internal conversion pipe formation high pressure corresponding with the hole on external conversion pipe.
6. segmentation high-pressure packing sand-control tubing string in horizontal well tube according to claim 1, it is characterized in that, described stratum-annular pack switching mechanism comprises circulating sleeve, slip pipe, leather cup, self-styled seat, described circulating sleeve is provided with 2 uniform circulation ports, 2 circulation ports seal by the outside that described slip pipe is enclosed within circulating sleeve, described slip pipe bottom is threaded with self-styled seat, and described leather cup is arranged on outside the slip pipe above self-styled seat, and self-styled seat supports leather cup makes leather cup opening direction forward.
7. segmentation high-pressure packing sand-control tubing string in horizontal well tube according to claim 6, it is characterized in that, cannelure is left after the screw thread be connected with slip pipe in described self-styled seat, for installing self-locking ring in cannelure, bottom circulating sleeve, overcoat has baffle ring, is provided with and prevents revolving pin between described self-styled seat and slip pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656621.0A CN104695914B (en) | 2013-12-09 | 2013-12-09 | High-pressure packing sand-control tubing string is segmented in horizontal well tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656621.0A CN104695914B (en) | 2013-12-09 | 2013-12-09 | High-pressure packing sand-control tubing string is segmented in horizontal well tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104695914A true CN104695914A (en) | 2015-06-10 |
| CN104695914B CN104695914B (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310656621.0A Active CN104695914B (en) | 2013-12-09 | 2013-12-09 | High-pressure packing sand-control tubing string is segmented in horizontal well tube |
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| Country | Link |
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| CN (1) | CN104695914B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625830A (en) * | 2017-03-22 | 2018-10-09 | 中国石油化工股份有限公司 | Ball-throwing type selective sand control process pipe string and its method |
| CN109854213A (en) * | 2019-03-18 | 2019-06-07 | 中国石油化工股份有限公司 | Set damage repairs the sand control pipe of well |
| CN110118076A (en) * | 2019-06-24 | 2019-08-13 | 大港油田集团有限责任公司 | A kind of righting type damping device for filling |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603574A (en) * | 2004-11-03 | 2005-04-06 | 中国石化胜利油田有限公司采油工艺研究院 | Layered pipe column for squeeze packing sand control process |
| US20060278398A1 (en) * | 2005-06-07 | 2006-12-14 | Ypf Sociedad Anonima | Assembly and method of alternative pumping using hollow rods without tubing |
| CN200982162Y (en) * | 2006-11-24 | 2007-11-28 | 中国石化股份胜利油田分公司采油工艺研究院 | Stratified test sand control pipe |
| CN201486538U (en) * | 2009-08-14 | 2010-05-26 | 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 | Sand prevention pipe string used for open-hole well completion of side-drilled multilateral well and plug-in type acid cleaning filling inner pipe string thereof |
| CN103266868A (en) * | 2013-05-27 | 2013-08-28 | 中国石油天然气股份有限公司 | Horizontal well subsection gravel pack tool |
-
2013
- 2013-12-09 CN CN201310656621.0A patent/CN104695914B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603574A (en) * | 2004-11-03 | 2005-04-06 | 中国石化胜利油田有限公司采油工艺研究院 | Layered pipe column for squeeze packing sand control process |
| US20060278398A1 (en) * | 2005-06-07 | 2006-12-14 | Ypf Sociedad Anonima | Assembly and method of alternative pumping using hollow rods without tubing |
| CN200982162Y (en) * | 2006-11-24 | 2007-11-28 | 中国石化股份胜利油田分公司采油工艺研究院 | Stratified test sand control pipe |
| CN201486538U (en) * | 2009-08-14 | 2010-05-26 | 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 | Sand prevention pipe string used for open-hole well completion of side-drilled multilateral well and plug-in type acid cleaning filling inner pipe string thereof |
| CN103266868A (en) * | 2013-05-27 | 2013-08-28 | 中国石油天然气股份有限公司 | Horizontal well subsection gravel pack tool |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625830A (en) * | 2017-03-22 | 2018-10-09 | 中国石油化工股份有限公司 | Ball-throwing type selective sand control process pipe string and its method |
| CN109854213A (en) * | 2019-03-18 | 2019-06-07 | 中国石油化工股份有限公司 | Set damage repairs the sand control pipe of well |
| CN109854213B (en) * | 2019-03-18 | 2023-05-30 | 中国石油化工股份有限公司 | Sand control tubular column of casing damage repair well |
| CN110118076A (en) * | 2019-06-24 | 2019-08-13 | 大港油田集团有限责任公司 | A kind of righting type damping device for filling |
| CN110118076B (en) * | 2019-06-24 | 2021-10-08 | 大港油田集团有限责任公司 | Centralizing type damping filling device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104695914B (en) | 2018-12-04 |
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