CN204252844U - Tubular column for horizontal well and horizontal well - Google Patents
Tubular column for horizontal well and horizontal well Download PDFInfo
- Publication number
- CN204252844U CN204252844U CN201420618890.8U CN201420618890U CN204252844U CN 204252844 U CN204252844 U CN 204252844U CN 201420618890 U CN201420618890 U CN 201420618890U CN 204252844 U CN204252844 U CN 204252844U
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- Prior art keywords
- horizontal well
- tracer
- oil
- annular space
- soluble
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- 239000000700 radioactive tracer Substances 0.000 claims abstract description 109
- 238000005086 pumping Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 229910052769 Ytterbium Inorganic materials 0.000 claims description 3
- 230000002285 radioactive effect Effects 0.000 claims description 3
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical group [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 39
- 239000007788 liquid Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 40
- 239000012530 fluid Substances 0.000 description 36
- 239000010779 crude oil Substances 0.000 description 17
- 239000007789 gas Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010793 Steam injection (oil industry) Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The application provides a tubular column for horizontal well, includes: a sleeve; the screen pipe is communicated with the sleeve and positioned in the horizontal well section, and comprises an outer pipe wall provided with first screen holes and an inner pipe wall provided with second screen holes; a plurality of annular sections communicated with the first sieve holes and the second sieve holes are arranged between the outer pipe wall and the inner pipe wall; a water-soluble tracer and a different oil-soluble tracer which are different from those of other annular sections are arranged in each annular section; the number of the external pipe packers arranged on the sieve tube is multiple, and one annular section is arranged between every two adjacent external pipe packers. The pipe column for the horizontal well and the horizontal well can measure liquid production conditions of different positions of the horizontal well section, and a measuring instrument does not need to be put into the horizontal well, so that the measuring work cannot be carried out due to blockage of the measuring instrument.
Description
Technical field
The application relates to field of petroleum exploitation, particularly relates to a kind of horizontal well tubing string and horizontal well.
Background technology
Horizontal well production technology starts from the eighties in 20th century, is mainly used in improving oil and gas production and the rate of oil and gas recovery in oil field development.Along with the continuous intensification that development and the people of industrial technology are familiar with horizontal wells technology, receive extensive attention with horizontal well development oil field.Horizontal well is that hole angle reaches or close to 90 degree, well bore creeps into the well of certain length along horizontal direction.A kind of horizontal well tubing string that current horizontal well is as shown in Figure 1 conventional, it comprises peupendicular hole section 100 and net horizontal section 200.Described peupendicular hole section 100 is hole angle with the angle of described net horizontal section 200.Described peupendicular hole section 100 is provided with sleeve pipe, and described inside pipe casing is provided with the pumping pipe string for pumping.Described net horizontal section 200 is provided with screen casing, and one end that described screen casing is connected with described sleeve pipe is the heel position 202 of net horizontal section, and the other end that described screen casing gos deep into oil reservoir is the tiptoe position 203 of net horizontal section.Described screen casing is provided with sieve aperture 201, and it is inner that crude oil can enter into described screen casing by oil reservoir through described sieve aperture 201, when the crude oil in described screen casing enters into a certain amount of, then has the pumping pipe string in described sleeve pipe by described oil extraction to ground.
Because the situation such as moisture content, oil content, permeability of the corresponding Crude Oil in described net horizontal section 200 diverse location place can difference to some extent, and then, the production fluid situation at described net horizontal section 200 diverse location place can be different, namely described net horizontal section 200 diverse location place enter oil content in crude oil yield and crude oil, moisture content also can be different.So need the production fluid situation measuring net horizontal section diverse location in the process of above-mentioned horizontal wells, to pass through measured data-optimized injection-production program, and then the meticulous note in oil field is instructed to adopt.When measuring the production fluid situation of the net horizontal section diverse location of above-mentioned horizontal well, usually utilize the equipment such as crawl device or coiled tubing by measuring apparatus down to described tiptoe position 203, then measuring apparatus carries out the production fluid situation of areal survey diverse location to described heel position 202 from described tiptoe position 203.Because described measuring apparatus carries out surveying work in horizontal well, can often work progresss such as (in drop) such as oil pipe, sleeve pipe, drilling tools cause measuring apparatus blocking because trouble of lost tool in hole, and then cause surveying work to carry out.
Summary of the invention
In view of the deficiencies in the prior art, the application provides a kind of horizontal well tubing string, can measure the production fluid situation of net horizontal section diverse location, and does not need to enter measuring apparatus under in well, and then surveying work will be caused to carry out because of measuring apparatus blocking.
A kind of horizontal well tubing string that the application provides, comprising:
Sleeve pipe;
Be connected with described sleeve pipe and be positioned at the screen casing of net horizontal section, described screen casing comprises the outer tube wall being provided with the first sieve aperture and the inner tubal wall being provided with the second sieve aperture; Multiple annular space section being communicated with described first sieve aperture and described second sieve aperture is provided with between described outer tube wall with described inner tubal wall; The water-soluble tracer different from annular space section described in other and different oil-soluble tracers is provided with in each described annular space section;
Be located at the external packer of pipe on described screen casing, its quantity is multiple, is equipped with a described annular space section between adjacent two described external packer of pipe.
Preferably, the weight of the described water-soluble tracer weight that has of each described annular space section and described oil-soluble tracer is all equal.
Preferably, the described water-soluble tracer that each described annular space section has is 100 grams to 2000 grams, and described oil-soluble tracer is 500 grams to 2000 grams.
Preferably, the described water-soluble tracer that each described annular space section has is 500 grams to 1000 grams, and described oil-soluble tracer is 500 grams to 1000 grams.
Preferably, the identical length etc. of each described annular space section.
Preferably, the length of each described annular space section is 20 meters to 150 meters.
Preferably, the distance at described outer tube wall and described inner tubal wall interval is 5 millimeters to 30 millimeters.
Preferably, described water-soluble tracer and described oil-soluble tracer are one or more in chemical tracer, radioactive tracer, non radioactive isotope tracer, trace matter detection.
Preferably, described water-soluble tracer is ytterbium element water-soluble tracer, and described oil-soluble tracer is er element oil-soluble tracer.
The application also provides the horizontal well adopting horizontal well tubing string described above, and it is characterized in that, this horizontal well also comprises:
Be arranged on the pumping pipe string in described sleeve pipe, it comprises oil pipe, gas and oil separating plant, the starting taper of sequential concatenation.
The screen casing of the horizontal well tubing string that above-mentioned the application provides adopts the double-layer tube wall of outer tube wall and inner tubal wall to design, and the annular space between inner tubal wall and outer tube wall is divided into multiple annular space section, by by built-in different water-soluble tracer and different oil-soluble tracers in each described annular space section, and then production fluid is when entering screen casing inside through the tube wall of screen casing, the tracer in each described annular space section can enter into production fluid.The moisture content of production fluid is larger, the water-soluble tracer entered is more, the oil content of production fluid is larger, the oil-soluble tracer entered is more, with this principle, can well outward by measuring concentration, the content of often kind of water-soluble tracer and oil-soluble tracer in production fluid, and then calculated level well section goes out the oil content of the production fluid of diverse location, moisture content and output, obtains the production fluid situation of net horizontal section diverse location.By above description, can find out that the horizontal well tubing string provided by the application can measure the production fluid situation of net horizontal section diverse location, and do not need to enter measuring apparatus under in well, and then surveying work will be caused to carry out because of measuring apparatus blocking.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the horizontal well tubular column structure schematic diagram of prior art;
Fig. 2 is the horizontal well tubing string that provides of a kind of embodiment of the application and horizontal well structural representation.
Detailed description of the invention
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all should belong to the scope of protection of the invention.
Please refer to Fig. 2, the horizontal well tubing string that a kind of embodiment of the application provides, comprising: sleeve pipe 1; Be connected with described sleeve pipe 1 and be positioned at the screen casing 2 of net horizontal section, described screen casing 2 comprises the outer tube wall 5 being provided with the first sieve aperture 3 and the inner tubal wall 4 being provided with the second sieve aperture 12; Multiple annular space section being communicated with described first sieve aperture 3 and described second sieve aperture 12 is provided with between described outer tube wall 5 with described inner tubal wall 4; The water-soluble tracer 6 different from annular space section described in other and different oil-soluble tracers 7 is provided with in each described annular space section; Be located at the external packer of pipe 13 on described screen casing 2, its quantity is multiple, is equipped with a described annular space section between adjacent two described external packer of pipe 13.
The screen casing 2 of the horizontal well tubing string that above-mentioned present embodiment provides adopts outer tube wall 5 to design with the double-layer tube wall of inner tubal wall 4, and the annular space between inner tubal wall 4 and outer tube wall 5 is divided into multiple annular space section, by by different water-soluble tracer 6 built-in in each described annular space section and different oil-soluble tracers 7, and then production fluid is when entering screen casing 2 inside through the tube wall of screen casing 2, the tracer in each described annular space section can enter into production fluid.Concrete, water-soluble tracer 6 can enter in the water of production fluid, oil-soluble tracer 7 can enter in the oil of production fluid, and, the moisture content of production fluid is larger, the water-soluble tracer entered is more, the oil content of production fluid is larger, the oil-soluble tracer more than 7 entered, with this principle, can well outward by measuring concentration, the content of often kind of water-soluble tracer 6 and oil-soluble tracer 7 in production fluid, and then measure net horizontal section and go out the oil content of the production fluid of diverse location, moisture content and output, obtain the production fluid situation of net horizontal section diverse location.By above description, can find out that the horizontal well tubing string provided by present embodiment can measure the production fluid situation of net horizontal section diverse location, and do not need to enter measuring apparatus under in well, and then surveying work will be caused to carry out because of measuring apparatus blocking.
Described sleeve pipe 1 is located at peupendicular hole section, and its inside can be provided with pumping pipe string 11 for oil pumping.Described sleeve pipe 1 bottom connects described screen casing 2.
Described screen casing 2 is located at net horizontal section, and the even tube wall of described screen casing 2 is distributed with sieve aperture, and it is inner that crude oil can enter into described screen casing 2 by described sieve aperture.The tube wall of described screen casing 2 is two-layer: outer tube wall 5 and inner tubal wall 4.Described outer tube wall 5 is provided with the first sieve aperture 3, and described inner tubal wall 4 is provided with the second sieve aperture 12.There is the interval of certain distance between described outer tube wall 5 and described inner tubal wall 4 to form annular space, and described annular space is divided into multiple annular space section.Described first sieve aperture 3 is communicated with described second sieve aperture 12 by described annular space section, make crude oil enter described annular space intersegmental part from described first sieve aperture 3 so then to be flowed out by described second sieve aperture 12, the tracer in the process in described annular space section can enter in crude oil.In actual applications, the distance at described outer tube wall 5 and described inner tubal wall 4 interval is 5 millimeters to 30 millimeters.Can open by sealed spacer between described annular space section, mutually mix to prevent the tracer between each described annular space section.Certainly, in order to better measure the production fluid situation at net horizontal section diverse location place, described annular space section can be evenly distributed on the tube wall of described screen casing 2, that is, the length of each described annular space section is equal, and the gap length between described annular space section is also equal.Generally speaking, the length of the net horizontal section of current horizontal well is generally 300 meters to 400 meters, so the length of the described annular space section of present embodiment can be 20 meters to 150 meters.Certainly, length range due to described annular space section determines measuring accuracy, and segmentation is preferably more short better, but considers practical application scene and cost, the length of described annular space section is arranged on 20 meters to 150 meters by present embodiment, but the application is not as limit.
Each described annular space Duan Jun has the water-soluble tracer 6 different from annular space section described in other and different oil-soluble tracers 7.Described water-soluble tracer 6 can be only soluble in water, also can be water-soluble and be dissolved in oil, but described water-soluble tracer 6 is water-soluble and when being dissolved in oil, its every gram water-soluble ratio with being dissolved in oil must be clear known.Same, described oil-soluble tracer 7 can only be dissolved in oil, also can be dissolved in oil and soluble in water, but described oil-soluble tracer 7 be dissolved in oil and water-soluble time, its every gram be dissolved in oil must be clear known with water-soluble ratio.At present, tracer of a great variety, being similarly of present embodiment can be applied to multiple, tracer needed for the application can adopt the form adding hydrophilic group or lipophilic group on conventional tracer to obtain, if tracer itself has hydrophily or lipophile certainly, need not add hydrophilic group or lipophilic group.Further, when carrying out fireflood exploitation or steam injection recovery, the tracer needed for present embodiment also needs to have resistant to elevated temperatures performance.
Further, described water-soluble tracer 6 and described oil-soluble tracer 7 can be one or more in chemical tracer, radioactive tracer, non radioactive isotope tracer, trace matter detection.Namely, described water-soluble tracer 6 can be chemical tracer with described oil-soluble tracer 7 and also can be radioactive tracer or other kinds, because no matter be chemical tracer or radioactive tracer, or be the tracer that described trace matter detection etc. all has multiple kind.As long as ensure that the described water-soluble tracer 6 had in each described annular space section, described oil-soluble tracer 7 and the described water-soluble tracer 6 had in annular space section described in other, described oil-soluble tracer 7 are different.Accordingly, described water-soluble tracer can 6 be chemical tracer, and described oil-soluble tracer 7 is radioactive tracer.In actual applications, described water-soluble tracer is ytterbium element water-soluble tracer to present embodiment, and described oil-soluble tracer is er element oil-soluble tracer, but not as limit.For making the output condition of subsequent calculations net horizontal section diverse location more for convenience, described water-soluble tracer 6 weight that each described annular space section has is all equal with described oil-soluble tracer 7 weight.Concrete, the described water-soluble tracer that each described annular space section has is 100 grams to 2000 grams, and described oil-soluble tracer is 500 grams to 2000 grams.Further, the described water-soluble tracer that each described annular space section has is 500 grams to 1000 grams, and described oil-soluble tracer is 500 grams to 1000 grams.
Described external packer of pipe 13 is located between the borehole wall and described screen casing 2.On the one hand, described external packer of pipe 13 can play the effect of well cementation, on the other hand, annular space between the borehole wall and described screen casing 2 can be separated into several ring section by described external packer of pipe 13, independent mutually between each ring section, the crude oil entered can only enter in the annular space section corresponding to each ring section, and then can ensure that metering is more accurate.
When the tubing string of the horizontal well provided by adopting above-mentioned present embodiment carries out crude oil extraction, because its screen casing 2 has multiple annular space section, and annular space section not only has the first sieve aperture 3, second sieve aperture 12 allowing crude oil to pass through, also there is the water-soluble tracer 6 and oil-soluble tracer 7 that can enter crude oil inside, and the tracer of each described annular space intersegmental part is all not identical with the tracer of annular space section described in other, the crude oil that so just can ensure only to be through this annular space section just can enter the tracer of corresponding annular space section.By oil extraction to earth's surface time, by the kind of the water-based tracer 6 in gathered crude oil and oiliness tracer 7, content measurement out, by the diverse location of the corresponding net horizontal section of the kind of water-based tracer and oiliness tracer, going out the production fluid situation of the diverse location of net horizontal section in the cubage by water-based spike 6 doses and oiliness tracer 7.By above description, can find out that the horizontal well tubing string provided by present embodiment can measure the production fluid situation of net horizontal section diverse location, and do not need to enter measuring apparatus under in well, and then surveying work will be caused to carry out because of measuring apparatus blocking.And measuring process is well and operates outward, convenient and swift.
Please continue to refer to Fig. 2, a kind of horizontal well adopting horizontal well tubing string described above that a kind of embodiment of the application provides, this horizontal well also comprises: be arranged on the pumping pipe string 11 in described sleeve pipe 1, and it comprises oil pipe 8, gas and oil separating plant 9, the starting taper 10 of sequential concatenation.
Described pumping pipe string 11 arranges in described sleeve pipe 1, and it for the oil extraction that will enter in described horizontal well tubing string out.Described pumping pipe string 11 comprises oil pipe 8, gas and oil separating plant 9, the starting taper 10 of sequential concatenation.Described sequential concatenation can be understood as and connects successively from top to bottom.Described starting taper 10 for whole pumping pipe string 11 under enter in described pumping pipe string 11 time play the guiding role, and can protect described gas and oil separating plant 9 and described oil pipe 8 under enter in process destroyed.Described gas and oil separating plant 9 is for entering the gas separaion such as the natural gas of screen casing by during crude oil extraction with crude oil, what make it to enter oil pipe is crude oil.Gas and oil separating plant 9 conventional at present comprises gas anchor and is located at the gas prevention pump on gas anchor.
Above-mentioned present embodiment provide the screen casing 2 of the horizontal well tubing string of horizontal well to adopt outer tube wall 5 to design with the double-layer tube wall of inner tubal wall 4, and the annular space between inner tubal wall 4 and outer tube wall 5 is divided into multiple annular space section, by by different water-soluble tracer 6 built-in in each described annular space section and different oil-soluble tracers 7, and then production fluid is when entering screen casing 2 inside through the tube wall of screen casing 2, the tracer in each described annular space section can enter into production fluid.Concrete, water-soluble tracer 6 can enter in the water of production fluid, and oil-soluble tracer 7 can enter in the oil of production fluid, and the moisture content of production fluid is larger, the water-soluble tracer more than 6 entered; The oil content of production fluid is larger, the oil-soluble tracer more than 7 entered.With this principle, concentration, the content of measuring often kind of water-soluble tracer 6 and oil-soluble tracer 7 in production fluid can be passed through outward by well, and then measure net horizontal section and go out the oil content of the production fluid of diverse location, moisture content and output, obtain the production fluid situation of net horizontal section diverse location.By above description, can find out that the horizontal well provided by present embodiment can measure the production fluid situation of net horizontal section diverse location, and not need to enter measuring apparatus under in well, and then surveying work will be caused to carry out because of measuring apparatus blocking.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the scope of protection of present invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (10)
1. a horizontal well tubing string, is characterized in that, comprising:
Sleeve pipe;
Be connected with described sleeve pipe and be positioned at the screen casing of net horizontal section, described screen casing comprises the outer tube wall being provided with the first sieve aperture and the inner tubal wall being provided with the second sieve aperture; Multiple annular space section being communicated with described first sieve aperture and described second sieve aperture is provided with between described outer tube wall with described inner tubal wall; The water-soluble tracer different from annular space section described in other and different oil-soluble tracers is provided with in each described annular space section;
Be located at the external packer of pipe on described screen casing, its quantity is multiple, is equipped with a described annular space section between adjacent two described external packer of pipe.
2. horizontal well tubing string as claimed in claim 1, is characterized in that: the weight of the described water-soluble tracer weight that each described annular space section has and described oil-soluble tracer is all equal.
3. horizontal well tubing string as claimed in claim 2, it is characterized in that: the described water-soluble tracer that each described annular space section has is 100 grams to 2000 grams, described oil-soluble tracer is 500 grams to 2000 grams.
4. horizontal well tubing string as claimed in claim 3, it is characterized in that: the described water-soluble tracer that each described annular space section has is 500 grams to 1000 grams, described oil-soluble tracer is 500 grams to 1000 grams.
5. horizontal well tubing string as claimed in claim 1, is characterized in that: the identical length etc. of each described annular space section.
6. horizontal well tubing string as claimed in claim 5, is characterized in that: the length of each described annular space section is 20 meters to 150 meters.
7. horizontal well tubing string as claimed in claim 1, is characterized in that: the distance at described outer tube wall and described inner tubal wall interval is 5 millimeters to 30 millimeters.
8. horizontal well tubing string as claimed in claim 1, is characterized in that: described water-soluble tracer and described oil-soluble tracer are one or more in chemical tracer, radioactive tracer, non radioactive isotope tracer, trace matter detection.
9. horizontal well tubing string as claimed in claim 8, it is characterized in that: described water-soluble tracer is ytterbium element water-soluble tracer, described oil-soluble tracer is er element oil-soluble tracer.
10. adopt a horizontal well for horizontal well tubing string as described in one of claim 1 to 9, it is characterized in that, this horizontal well also comprises:
Be arranged on the pumping pipe string in described sleeve pipe, it comprises oil pipe, gas and oil separating plant, the starting taper of sequential concatenation.
Priority Applications (1)
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CN201420618890.8U CN204252844U (en) | 2014-10-23 | 2014-10-23 | Tubular column for horizontal well and horizontal well |
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CN201420618890.8U CN204252844U (en) | 2014-10-23 | 2014-10-23 | Tubular column for horizontal well and horizontal well |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105178947A (en) * | 2015-09-18 | 2015-12-23 | 中国石油天然气股份有限公司 | Horizontal well water finding and plugging integrated method |
CN108104801A (en) * | 2017-12-30 | 2018-06-01 | 中国石油天然气股份有限公司 | Horizontal well tracer liquid production profile testing pipe column and method |
CN110230489A (en) * | 2018-03-05 | 2019-09-13 | 中国石油化工股份有限公司 | A kind of multistage pressure break horizontal well produced fluid cross section device and method |
-
2014
- 2014-10-23 CN CN201420618890.8U patent/CN204252844U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105178947A (en) * | 2015-09-18 | 2015-12-23 | 中国石油天然气股份有限公司 | Horizontal well water finding and plugging integrated method |
CN108104801A (en) * | 2017-12-30 | 2018-06-01 | 中国石油天然气股份有限公司 | Horizontal well tracer liquid production profile testing pipe column and method |
CN110230489A (en) * | 2018-03-05 | 2019-09-13 | 中国石油化工股份有限公司 | A kind of multistage pressure break horizontal well produced fluid cross section device and method |
CN110230489B (en) * | 2018-03-05 | 2023-07-14 | 中国石油化工股份有限公司 | Multi-section fracturing horizontal well liquid production profile testing equipment and method |
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