CN204371316U - A kind of with working rig pumping discharge opeing horizontal well water exploration tubing string - Google Patents
A kind of with working rig pumping discharge opeing horizontal well water exploration tubing string Download PDFInfo
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- CN204371316U CN204371316U CN201420790640.2U CN201420790640U CN204371316U CN 204371316 U CN204371316 U CN 204371316U CN 201420790640 U CN201420790640 U CN 201420790640U CN 204371316 U CN204371316 U CN 204371316U
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- oil pipe
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- linkage section
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- 238000005086 pumping Methods 0.000 title claims abstract description 24
- 235000020681 well water Nutrition 0.000 title claims abstract description 14
- 239000002349 well water Substances 0.000 title claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 86
- 238000007789 sealing Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 30
- 238000000034 method Methods 0.000 abstract description 11
- 238000012856 packing Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005070 sampling Methods 0.000 description 17
- 239000007788 liquid Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 8
- 239000003129 oil well Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Abstract
The utility model provides one working rig pumping discharge opeing horizontal well water exploration tubing string, comprises oil pipe, described oil pipe is connected with derailing switch II, cup packer II, oil pipe linkage section II, screen casing, oil pipe linkage section I, cup packer I, tail pipe, guiding plug in turn in the end of down-hole horizontal section; Be provided with deep water swab in the well head vertical end of described oil pipe, the pipeline that draws water of this deep water swab extends to oil pipe mouth of pipe outer end, and the mouth of pipe of described oil pipe well head vertical end is also connected with ground metering device by pipeline.Activities is simple, water detection efficiency is high, namely successively horizontal well perforation section is communicated with well head with oil pipe with packer, adopt two envelope single deck tape-recorder technique, well head drags cup packer, the corresponding specking combination of packing successively, carries out pumping by working rig lifting deep water swab and asks product, judge water exit position according to specking water outlet situation between upper and lower packer.
Description
Technical field
The utility model belongs to oil extraction in oil field technical field, is specifically related to one working rig pumping discharge opeing horizontal well water exploration tubing string.
Background technology
At present, sectionalized water-exploration testing pipe column of casing well-completion horizontal well adopts each interval of intelligent switch device timing controlled to produce, each interval production fluid is extracted into ground by oil well pump to carry out chemically examining and analyzing, water layer is judged with this, each interval is separated by cup packer or Y441 packer, this tubing string water detection cycle is long, and complicated construction technique has a strong impact on produced on-site progress.The well of liquid is returned for oil jacket annular space, single envelope is adopted to drag tubing string, from toe to heel, drag packer block envelope one by one, return liquid by ground from oil pipe and still return liquid from oil jacket annular space and judge water exit position, but the horizontal well not returning liquid for annular space measures and judges water exit position in face impenetrably.
Publication number is that CN102505921A provides a kind of water searching pipe column of open-hole horizontal well, comprise oil pipe, aspirator is provided with in described oil pipe, described oil pipe extends downwards along horizontal well pit shaft, hydraulic setting tool, long packing element type water detection upper packer and lower packet is at least connected with from top to bottom in the lower end of described oil pipe, described long packing element type water detection upper packer and described lower packet are arranged separately, between described long packing element type water detection upper packer and described lower packet, be provided with pressure and temperature meter, at described hydraulic setting tool, central tube is equipped with in described long packing element type water detection upper packer and described lower packet, one club can stretch in described central tube vertically, and coordinate with described central tube and set, described central tube is connected with described oil pipe, at described central tube and described hydraulic setting tool, double wall passage is provided with vertically between described long packing element type water detection upper packer and described lower packet, described double wall passage to be communicated with described central tube by the relative movement between described central tube with described hydraulic setting tool or to close, part flow arrangement is connected with between described long packing element type water detection upper packer and described lower packet, described part flow arrangement is provided with radially through multiple radial direction through hole, described radial direction through hole is connected with described central tube, the axial passage being communicated in described double wall passage is offered in described part flow arrangement, described radial direction through hole is not communicated with described axial passage, although the present invention can realize horizontal well in segments water detection function, and water detection efficiency is high, reliability is high, improve open-hole horizontal well measure technical level, but complex structure, old of water detection is high,
Publication number CN104100234A provides a kind of multistage pressure break horizontal well in segments and samples searching pipe column simultaneously, between plug and oil well pump, the multistage linkage unit formed with well sampling derailing switch and packer is connected, the well sampling derailing switch of every grade and each corresponding interval of packer by oil pipe; The most top well sampling derailing switch upper end connects oil well pump by oil pipe, and oil well pump upper end connects the sucker rod be located in oil pipe, and oil pipe is connected to well head, and sucker rod connects ground oil pumper.The plug upper end of this tubing string connects I grade of well sampling derailing switch by oil pipe, I grade of well sampling derailing switch upper end connects I grade of packer by oil pipe, I grade of packer upper end connects II grade of well sampling derailing switch by oil pipe, II grade of well sampling derailing switch upper end connects II grade of packer by oil pipe, II grade of packer upper end connects III grade of well sampling derailing switch by oil pipe, III grade of well sampling derailing switch upper end connects III grade of packer by oil pipe, III grade of packer upper end connects IV grade of well sampling derailing switch by oil pipe, IV grade of well sampling derailing switch connects IV grade of packer by oil pipe, IV grade of packer upper end connects V grade of well sampling derailing switch by oil pipe, V grade of well sampling derailing switch upper end connects the oil well pump of gap bridge or rod-type by oil pipe, oil well pump upper end connected pipes and the sucker rod be located in oil pipe, oil pipe is connected to well head, sucker rod connects ground oil pumper, the oil well pump of this tubing string and sucker rod are positioned at down-hole vertical section, and plug to the V grade well sampling derailing switch of this tubing string is positioned at down-hole horizontal section, and the Pyatyi well sampling derailing switch of this tubing string and packer be corresponding five intervals altogether.This tubing string adopts multi-level downhole sampling switch device, the segmentation that can realize one-trip string multi-section multi-layer samples water detection test simultaneously, by original each interval one by one production water detection change into simultaneously produce sampling water detection, can significantly shorten water detection test period, specify water exit interval, improve water detection testing efficiency high, for the water-control oil-increasing measure of horizontal well provides reliable foundation.But the present invention is in the process of water detection, and water detection complex process, old of water detection is higher.
Publication number CN203452773U, provide a kind of horizontal well oil jacket annular space and return the quick searching pipe column of liquid, this searching pipe column is connected with guiding plug, tail pipe, screen casing, oil pipe linkage section, cup packer, derailing switch and oil pipe in down-hole horizontal section in turn from toe to heel, at well head place, device is singly measured in oil pipe connected pipes ground, and device is singly measured in sleeve pipe splicing sleeve ground.This tubing string returns in liquid horizontal well at oil jacket annular space, drags packer and block envelope one by one from toe to heel; If production water enters oil pipe by screen casing and returns out ground, then judge that below packer is as water exit end; If production water returns out ground by oil jacket annular space, then judge that more than packer is as water exit end; Return the water yield at ground metering oil pipe and oil jacket annular space simultaneously, judge water exit position.This searching pipe column activities is simple, and water detection is rapid, safe and reliable; But at the bottom of this tubing string water detection efficiency, inaccurate, pumping can not be carried out to the water found.
Utility model content
For the problems referred to above, it is simple that the utility model provides a kind of structure, and what water detection was accurate, safe and reliable uses working rig pumping discharge opeing horizontal well water exploration tubing string.
For achieving the above object, the utility model by the following technical solutions, a kind of with working rig pumping discharge opeing horizontal well water exploration tubing string, comprise oil pipe, described oil pipe is connected with derailing switch II, cup packer II, oil pipe linkage section II, screen casing, oil pipe linkage section I, cup packer I, tail pipe, guiding plug in turn in the end of down-hole horizontal section; Be provided with deep water swab in the well head vertical end of described oil pipe, the pipeline that draws water of this deep water swab extends to oil pipe mouth of pipe outer end, and the mouth of pipe of described oil pipe well head vertical end is also connected with ground metering device by pipeline.
Derailing switch I is connected with between described cup packer I and tail pipe.
Described oil pipe linkage section II is equal with the length of oil pipe linkage section I.
Described oil pipe linkage section II and screen casing, between screen casing and oil pipe linkage section I, be respectively equipped with sealing ring.
Distance between described derailing switch II and cup packer II equals derailing switch I and cup packer I directly distance.
Described oil pipe, oil pipe linkage section II are equal with oil pipe linkage section I radius size.
The utility model adopts technique scheme, and have the following advantages: by G.I.H after pipe string combination, derailing switch I, derailing switch II are in open mode, cup packer I, cup packer is arrived precalculated position II time, makes it block and be enclosed in perforated interval two ends; After derailing switch I, derailing switch II are closed, from toe to heel, drag packer block envelope perforated interval one by one, and under enter deep water swab and carry out pumping, measuring card sealing section fluid situation is connected with ground metering device at well head, admission data is analyzed, judges whether the perforated interval blocking envelope between cup packer I, cup packer II is water exit interval; After derailing switch I, derailing switch II reopen, upper lifting pipe post, trips out test string; Activities is simple, water detection efficiency is high, namely successively horizontal well perforation section is communicated with well head with oil pipe with packer, adopt two envelope single deck tape-recorder technique, well head drags cup packer, the corresponding specking combination of packing successively, carries out pumping by working rig lifting deep water swab and asks product, judge water exit position according to specking water outlet situation between upper and lower packer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1. lead plug; 2. tail pipe; 3. derailing switch I; 4. cup packer I; 5. oil pipe linkage section I; 6. screen casing; 7. oil pipe linkage section II; 8. cup packer II; 9. derailing switch II; 10. oil pipe; 11. deep water swabs; 12. ground metering devices.
Detailed description of the invention
Embodiment is described in detail one working rig pumping discharge opeing horizontal well water exploration tubing string further below.
Embodiment 1
One according to Fig. 1 working rig pumping discharge opeing horizontal well water exploration tubing string, comprises oil pipe 10, described oil pipe 10 and is connected with derailing switch II 9, cup packer II 8, oil pipe linkage section II 7, screen casing 6, oil pipe linkage section I 5, cup packer I 4, tail pipe 2, guiding plug 1 in the end of down-hole horizontal section in turn; Be provided with deep water swab 11 in the well head vertical end of described oil pipe 10, the pipeline that draws water of this deep water swab 11 extends to oil pipe 10 mouth of pipe outer end, and the mouth of pipe of described oil pipe 10 well head vertical end is also connected with ground metering device 12 by pipeline.
In the course of the work: enter this searching pipe column 1): by G.I.H after pipe string combination, derailing switch II 9 is in open mode, cup packer I 4, cup packer is arrived precalculated position II 8 times, makes it block and be enclosed in perforated interval two ends;
2) segmentation drags water detection: after derailing switch II 9 cuts out, from toe to heel, drag packer block envelope perforated interval one by one, and under enter deep water swab and carry out pumping, measuring card sealing section fluid situation is connected with ground metering device 12 at well head, admission data is analyzed, judges whether the perforated interval blocking envelope between cup packer I 4, cup packer II 8 is water exit interval;
3) trip out searching pipe column: after derailing switch II 9 reopens, upper lifting pipe post, trips out test string.
Above-mentioned being does not return liquid horizontal well for annular space, adopt two envelope single deck tape-recorder technique, well head drags cup packer, from toe to heel, drag packer block envelope one by one, the corresponding specking combination of packing successively, by working rig lifting, carry out pumping with deep water swab and ask product, and judge water exit position according to specking water outlet situation between upper and lower packer.Activities is simple, and water detection efficiency is high.
Embodiment 2
On the basis of embodiment 1, comprise oil pipe 10, described oil pipe 10 and be connected with derailing switch II 9, cup packer II 8, oil pipe linkage section II 7, screen casing 6, oil pipe linkage section I 5, cup packer I 4, tail pipe 2, guiding plug 1 in the end of down-hole horizontal section in turn; Derailing switch I 3 is connected with between described cup packer I 4 and tail pipe 2, deep water swab 11 is provided with in the well head vertical end of described oil pipe 10, the pipeline that draws water of this deep water swab 11 extends to oil pipe 10 mouth of pipe outer end, and the mouth of pipe of described oil pipe 10 well head vertical end is also connected with ground metering device 12 by pipeline.
In the course of the work: enter this searching pipe column 1): by G.I.H after pipe string combination, derailing switch I 3, derailing switch II 9 are in open mode, cup packer I 4, cup packer are arrived precalculated position II 8 times, makes it block and be enclosed in perforated interval two ends;
2) segmentation drags water detection: after derailing switch I 3, derailing switch II 9 are closed, from toe to heel, drag packer block envelope perforated interval one by one, and under enter deep water swab and carry out pumping, measuring card sealing section fluid situation is connected with ground metering device 12 at well head, admission data is analyzed, judges whether the perforated interval blocking envelope between cup packer I 4, cup packer II 8 is water exit interval;
3) searching pipe column is tripped out: after derailing switch I 3, derailing switch II 9 reopen, upper lifting pipe post, trips out test string.
Above-mentioned being does not return liquid horizontal well for annular space, adopt two envelope single deck tape-recorder technique, well head drags cup packer, from toe to heel, drag packer block envelope one by one, the corresponding specking combination of packing successively, by working rig lifting, carry out pumping with deep water swab and ask product, and judge water exit position according to specking water outlet situation between upper and lower packer.Activities is simple, and water detection efficiency is high.
Embodiment 3
On the basis of embodiment 2, oil pipe 10 is connected with derailing switch II 9, cup packer II 8, oil pipe linkage section II 7, screen casing 6, oil pipe linkage section I 5, cup packer I 4, tail pipe 2, guiding plug 1 in turn in the end of down-hole horizontal section; Derailing switch I 3 is connected with between described cup packer I 4 and tail pipe 2, deep water swab 11 is provided with in the well head vertical end of described oil pipe 10, the pipeline that draws water of this deep water swab 11 extends to oil pipe 10 mouth of pipe outer end, and the mouth of pipe of described oil pipe 10 well head vertical end is also connected with ground metering device 12 by pipeline.Described oil pipe linkage section II 7 is equal with the length of oil pipe linkage section I 5, ensure that screen casing 6 is in the centre position of cup packer II 8 and cup packer I 4, more accurate in water detection process, described oil pipe linkage section II 7 and screen casing 6, between screen casing 6 and oil pipe linkage section I 5, be respectively equipped with sealing ring, ensure that water enters into screen casing 6, can not go out leak with the joint of oil pipe linkage section I 5 from oil pipe linkage section II 7 and screen casing 6 and screen casing 6; Distance between described derailing switch II 9 and cup packer II 8 equals derailing switch I 3 and cup packer I 4 directly distance, adopts Central Symmetry to arrange, easy for installation, uses precision more accurate; Described oil pipe 10, oil pipe linkage section II 7 are equal with oil pipe linkage section I 5 radius size, can not cause water blockoff situation in the process used because of varying in size of caliber.
In the course of the work: enter this searching pipe column 1): by G.I.H after pipe string combination, derailing switch I 3, derailing switch II 9 are in open mode, cup packer I 4, cup packer are arrived precalculated position II 8 times, makes it block and be enclosed in perforated interval two ends;
2) segmentation drags water detection: after derailing switch I 3, derailing switch II 9 are closed, from toe to heel, drag packer block envelope perforated interval one by one, and under enter deep water swab and carry out pumping, measuring card sealing section fluid situation is connected with ground metering device 12 at well head, admission data is analyzed, judges whether the perforated interval blocking envelope between cup packer I 4, cup packer II 8 is water exit interval;
3) searching pipe column is tripped out: after derailing switch I 3, derailing switch II 9 reopen, upper lifting pipe post, trips out test string.
Above-mentioned being does not return liquid horizontal well for annular space, adopt two envelope single deck tape-recorder technique, well head drags cup packer, from toe to heel, drag packer block envelope one by one, the corresponding specking combination of packing successively, by working rig lifting, carry out pumping with deep water swab and ask product, and judge water exit position according to specking water outlet situation between upper and lower packer.Activities is simple, and water detection efficiency is high.
More than exemplifying is only illustrate of the present utility model, does not form the restriction to protection domain of the present utility model, everyly all belongs within protection domain of the present utility model with the same or analogous design of the utility model.
Claims (6)
1. one kind with working rig pumping discharge opeing horizontal well water exploration tubing string, it is characterized in that, comprise oil pipe (10), described oil pipe (10) is connected with derailing switch II (9), cup packer II (8), oil pipe linkage section II (7), screen casing (6), oil pipe linkage section I (5), cup packer I (4), tail pipe (2), guiding plug (1) in turn in the end of down-hole horizontal section; Deep water swab (11) is provided with in the well head vertical end of described oil pipe (10), the pipeline that draws water of this deep water swab (11) extends to oil pipe (10) mouth of pipe outer end, and the mouth of pipe of described oil pipe (10) well head vertical end is also connected with ground metering device (12) by pipeline.
2. one working rig pumping discharge opeing horizontal well water exploration tubing string according to claim 1, is characterized in that, be connected with derailing switch I (3) between described cup packer I (4) and tail pipe (2).
3. one working rig pumping discharge opeing horizontal well water exploration tubing string according to claim 1, it is characterized in that, described oil pipe linkage section II (7) is equal with the length of oil pipe linkage section I (5).
4. one working rig pumping discharge opeing horizontal well water exploration tubing string according to claim 1, it is characterized in that, described oil pipe linkage section II (7) and screen casing (6), between screen casing (6) and oil pipe linkage section I (5), be respectively equipped with sealing ring.
5. one working rig pumping discharge opeing horizontal well water exploration tubing string according to claim 2, it is characterized in that, the distance between described derailing switch II (9) and cup packer II (8) equals derailing switch I (3) and the direct distance of cup packer I (4).
6. one working rig pumping discharge opeing horizontal well water exploration tubing string according to claim 1, it is characterized in that, described oil pipe (10), oil pipe linkage section II (7) are equal with oil pipe linkage section I (5) radius size.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105507887A (en) * | 2015-12-31 | 2016-04-20 | 中国石油天然气股份有限公司 | High-water-content horizontal well tracer injection water exploration process and string |
CN105888653A (en) * | 2016-05-06 | 2016-08-24 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Multi-segment fractured horizontal well tracing and water finding method |
CN106677736A (en) * | 2017-01-19 | 2017-05-17 | 天津昱利赢石油科技有限公司 | Movable shaft dynamic water exploration and plugging device |
CN110017138A (en) * | 2019-05-08 | 2019-07-16 | 中国科学院武汉岩土力学研究所 | Air water multilayer sampling method and device in a kind of drilling |
CN112709553A (en) * | 2020-12-25 | 2021-04-27 | 中国石油大学(北京) | Toe end screen pipe of horizontal well |
CN112943152A (en) * | 2021-01-11 | 2021-06-11 | 中国石油天然气股份有限公司 | Water finding and water plugging integrated tubular column for oil field horizontal well and water finding and water plugging method thereof |
-
2014
- 2014-12-15 CN CN201420790640.2U patent/CN204371316U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105507887A (en) * | 2015-12-31 | 2016-04-20 | 中国石油天然气股份有限公司 | High-water-content horizontal well tracer injection water exploration process and string |
CN105888653A (en) * | 2016-05-06 | 2016-08-24 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Multi-segment fractured horizontal well tracing and water finding method |
CN105888653B (en) * | 2016-05-06 | 2019-10-22 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of multistage pressure break horizontal well tracer groundwater prospecting method |
CN106677736A (en) * | 2017-01-19 | 2017-05-17 | 天津昱利赢石油科技有限公司 | Movable shaft dynamic water exploration and plugging device |
CN110017138A (en) * | 2019-05-08 | 2019-07-16 | 中国科学院武汉岩土力学研究所 | Air water multilayer sampling method and device in a kind of drilling |
CN112709553A (en) * | 2020-12-25 | 2021-04-27 | 中国石油大学(北京) | Toe end screen pipe of horizontal well |
CN112709553B (en) * | 2020-12-25 | 2021-10-26 | 中国石油大学(北京) | Toe end screen pipe of horizontal well |
CN112943152A (en) * | 2021-01-11 | 2021-06-11 | 中国石油天然气股份有限公司 | Water finding and water plugging integrated tubular column for oil field horizontal well and water finding and water plugging method thereof |
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Granted publication date: 20150603 |