CN103075143B - Method for testing fluid-producing section of horizontal pump well - Google Patents
Method for testing fluid-producing section of horizontal pump well Download PDFInfo
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- CN103075143B CN103075143B CN201310052097.6A CN201310052097A CN103075143B CN 103075143 B CN103075143 B CN 103075143B CN 201310052097 A CN201310052097 A CN 201310052097A CN 103075143 B CN103075143 B CN 103075143B
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Abstract
The invention discloses a method for testing the fluid-production section of a horizontal pump well, which relates to the field of testing of fluid-producing sections of horizontal oil field wells. The method comprises the following steps of: connecting a long plunger hollow oil pump to the bottom of an oil pipe, feeding deep into the horizontal well by a design pump depth, and setting the long plunger hollow oil pump in a casing; synchronously feeding a continuous oil pipe and a logging cable deep into the lower part of a segment to be tested on the fluid-producing section of the horizontal well, pressing the ground where the continuous oil pipe is positioned to separate a releasing pipe nipple from the continuous oil pipe, and pulling the continuous oil pipe out; and connecting the upper end of the oil pipe with a reciprocating ground lifting device to perform reciprocating pumping actions, starting a fluid-producing section tester, pulling the logging cable slowly, and moving the fluid-producing section tester upwards for testing during production. According to the method, 1/2'' casing well completion of oil field 5 and fluid-producing section testing of the horizontal well by lifting with an oil sucking machine are realized; and meanwhile, the quantity of used equipment is small, the operation time is short, and the well testing cost is lowered.
Description
Technical field
The present invention relates to oil development production technical field, particularly relate to oilfield horizontal well producing profile testing field.
Background technology
For horizontal well produced fluid cross section, large quantifier elimination and experiment work are done both at home and abroad.Due to the exceptional well body structure of horizontal well and particular/special requirement when surveying production profile, the lifting when conveying of produced fluid cross section tester and test is a difficult problem for horizontal well produced fluid cross section.At present, water spraying horizontal well mainly carries out the conveying of tester by crawl device or coiled tubing, the test of production profile is carried out on blowing production limit, limit; Cannot blowing, but the horizontal well horizontal well that Liquid output is large, mainly by gaslift lifting, crawl device or coiled tubing carry out the conveying of tester, and the test of production profile is carried out on gaslift production limit, limit; Liquid output is little, adopts large sleeve pipe (9
and more than) or large sleeve pipe (9
and more than) hang small casing (5
or the horizontal well of 7 ") completion, dual string can be utilized to carry out the test of horizontal well production profile, and pumping pipe string carries out lifting, and crawl device or coiled tubing connecting test instrument are transported to horizontal well test section by test string; To 7, " jacketing machine draws water the test of horizontal well production profile, and be utilize simulation oil pumper liquid production section test device to carry out lifting, crawl device carries tester and is delivered to test section through this device, the test of carrying out horizontal well production profile when simulation oil pumping is produced.
At present, the patented technology of horizontal well produced fluid cross section method has:
(1) preset production fluid section plane test method of mechanical mining horizontal well and special shaft mouth test apparatus, number of patent application is 200810137499.5, the method is first connected with crawl device by produced fluid cross section tester and relies on gravity down to kickoff point (KOP), then under enter pump hanging tube post, decentralized wellhead has been installed.Start crawl device traction produced fluid cross section tester to test section lower end.During test, pump hanging tube post carries out pumping production, and upper portable cable carries out producing profile testing.The method is 5
the lower fragile logging cable of pump hanging tube post pole in sleeve pipe, crawl device is easily because the factors such as internal surface of sleeve pipe is irregular, rate of deviation is large cause crawl device to be hampered in distraction procedure simultaneously, and test success rate is not high.
(2) horizontal well gas lift method producing profile testing process adopted by machine, number of patent application is: 200810137501.9, the method utilizes gaslift flow string to implement lifting, and crawl device connects produced fluid cross section tester and is delivered to test section lower end through gaslift flow string.Ground utilizes nitrogen to carry out lifting, and after stable, upper portable cable carries out producing profile testing.The method is applicable to the larger horizontal well of output, is not suitable for the not high machine of output and draws water the producing profile testing of horizontal well.
Oil field High water cut horizontal well is increasing, have impact on horizontal well development, too increases cost.Because the difference of flowability of oil, water is large, during production, edge-bottom water easily enters pit shaft from the region that stratum permeability is good, causes horizontal well High water cut, and the poor region of permeability exists local remaining oil enrichment, is difficult to extraction.For excavating the local remaining oil of horizontal well production section, just must find out water exit position and implementing shutoff.At present, method implements producing profile testing, according to test interpretation result determination water exit position to horizontal well production section the most accurately and effectively.Existing horizontal well produced fluid cross section method is more easily implemented in large sleeve pipe or the high horizontal well of output, and part oilfield horizontal well all adopts 5
tubing string completion, and output is not high, utilize annulus logging technology to need setting-up eccentricity well head, means of delivery enters under annular space difficulty, is implemented as power low; Oil well output is high to utilize Gas lift test technology then to require; Utilized pump measuring technology, by the restriction of string size, crawl device cannot pass through oil well pump.
Summary of the invention
The present invention seeks to the difficult problem in order to solve the water detection of oil field High water cut horizontal well surveying production profile, designing a kind of new horizontal well produced fluid cross section method, to meet oil field 5
cased hole completion, the machine that output is not high draws water the producing profile testing of horizontal well.
Step of the present invention is:
1) trip out original production tubing string, the instrument in well testing to be measured, carry out circulation well cleanup, drifting;
2) give up having, grappling, packing function long-plunger hollow oil-well pump be connected to bottom oil pipe, under to enter horizontal well design pump dark, make long-plunger hollow oil-well pump setting in sleeve pipe;
3) at one end Connection Release pipe nipple of instrument pipe nipple string, the other end connects horizontal well produced fluid cross section tester, and logging cable is connected with horizontal well produced fluid cross section tester through release short circuit, instrument pipe nipple string, the other end of Connection Release pipe nipple bottom coiled tubing; By coiled tubing and logging cable synchronously from the bottom entered in oil pipe to be tested section of horizontal well production profile, by suppressing coiled tubing ground, release nipple being separated with coiled tubing, trips out coiled tubing;
4) connect reciprocating ground lifting appliance in oil pipe upper end, carry out reciprocal pumping action, formation fluid goes out well head through oil jacket annular space, casing valve; Start produced fluid cross section tester, on slowly, carry test cable, above move produced fluid cross section tester and carry out production limit, limit test jobs.
Once testing when produced fluid cross section tester being carried namely to complete to the top of to be tested section of production profile, closing produced fluid cross section tester, above carrying logging cable, make produced fluid cross section tester go out well head.To carry out secondary or repeatedly test jobs, circulation carries out 3) and 4) step.
The present invention, by the coiled tubing delivery technology of design level well produced fluid cross section tester and hollow oil-well pump lifting technology when testing, achieves oil field 5
the producing profile testing of cased hole completion, oil pumper lifting horizontal well, meanwhile, equipment of employing is few, the activity duration is short, reduces logging cost, is 5
the producing profile testing water detection that High water cut horizontal well taken out by jacketing machine provides technical guarantee.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of tester mode of movement of the present invention.
Fig. 2 is survey production profile schematic diagram of the present invention.
In figure: 1-2
oil pipe; 2-1
coiled tubing; 3-grappling back-off packer; 4-long-plunger hollow oil-well pump; 5-release nipple; 6-instrument pipe nipple string; 7-produced fluid cross section tester; 8-test cable; 9-test carriage; 10-continuous oil pipe device car device; 11-ground lifting appliance; 12-casing valve.
Detailed description of the invention
As shown in Figure 1, 2, to the producing profile testing operating procedure of water horizontal well:
1, stop the production of well testing to be measured, trip out original production tubing string, lower Flushing tubular column carries out circulation well cleanup, more lower drift size gauge tool passes to artificial bottom of a well, and require that drift size gauge tool external diameter should be less than casing inner diameter 6mm ~ 8mm, length is not less than 0.8m, and large end need have 60 ° of conical surfaces.
2, the long-plunger hollow oil-well pump 4 with grappling back-off packer 3 is connected to 2
the bottom of oil pipe 1, enters horizontal well design pump for 11 times by ground lifting appliance dark, make packer 3 grappling, setting, give up separately, at this moment oil pipe 1 is connected with plunger by top of giving up.
3, at one end Connection Release pipe nipple 5 of instrument pipe nipple string 6, the other end connects horizontal well produced fluid cross section tester 7, logging cable 8 is connected with horizontal well produced fluid cross section tester 7 through release short circuit 5, instrument pipe nipple string 6, the other end of Connection Release pipe nipple 5 bottom coiled tubing 2.
Then Operation Tubing Aggregate device 10 is passed through by 1
coiled tubing 2 and logging cable 8 are synchronously from 2
the bottom to be tested section of horizontal well production profile is entered under in oil pipe 1.By to 1
coiled tubing 2 ground is suppressed, and makes release nipple 5 and 1
coiled tubing 2 separately, trips out 1
coiled tubing 2.
4,2
oil pipe 1 upper end connects reciprocating ground lifting appliance 11, carries out reciprocal pumping action, until liquid in pit shaft after casing valve 12 is fully discharged, determines stroke, the jig frequency of pumping, proceed pumping action according to the daily output of this horizontal well.Start produced fluid cross section tester 7, carry test cable 8 on slow by test carriage 9, above move produced fluid cross section tester 7 and carry out production limit, limit test jobs.
Namely top produced fluid cross section tester 7 carried to be tested section of production profile complete once tests, and closes produced fluid cross section tester 7, by test car 9 carries test cable 8, makes produced fluid cross section tester 7 go out well head.
To carry out secondary or repeatedly test jobs, 3,4 steps are carried out in circulation.
Claims (1)
1. a horizontal well produced fluid cross section method taken out by machine, it is characterized in that comprising the following steps:
1) trip out original production tubing string, the instrument in well testing to be measured, carry out circulation well cleanup, drifting;
2) give up having, grappling, packing function long-plunger hollow oil-well pump be connected to bottom oil pipe, under to enter horizontal well design pump dark, make long-plunger hollow oil-well pump setting in sleeve pipe;
3) at one end Connection Release pipe nipple of instrument pipe nipple string, the other end connects horizontal well produced fluid cross section tester, and logging cable is connected with horizontal well produced fluid cross section tester, the other end of Connection Release pipe nipple bottom coiled tubing; By coiled tubing and logging cable synchronously from the bottom entered in oil pipe to be tested section of horizontal well production profile, by suppressing coiled tubing ground, release nipple being separated with coiled tubing, trips out coiled tubing;
4) connect reciprocating ground lifting appliance in oil pipe upper end, carry out reciprocal pumping action, formation fluid goes out well head through oil jacket annular space, casing valve; Start produced fluid cross section tester, on slowly, carry test cable, above move produced fluid cross section tester and carry out production limit, limit test jobs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310052097.6A CN103075143B (en) | 2013-02-18 | 2013-02-18 | Method for testing fluid-producing section of horizontal pump well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310052097.6A CN103075143B (en) | 2013-02-18 | 2013-02-18 | Method for testing fluid-producing section of horizontal pump well |
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| Publication Number | Publication Date |
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| CN103075143A CN103075143A (en) | 2013-05-01 |
| CN103075143B true CN103075143B (en) | 2015-05-20 |
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| CN201310052097.6A Active CN103075143B (en) | 2013-02-18 | 2013-02-18 | Method for testing fluid-producing section of horizontal pump well |
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Families Citing this family (12)
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| CN103410478B (en) * | 2013-08-07 | 2015-12-09 | 中国石油化工股份有限公司 | The hollow oil rig of a kind of producing profile testing |
| CN103470245A (en) * | 2013-08-29 | 2013-12-25 | 辽河石油勘探局 | Production test system for mechanized horizontal well coiled tubing |
| CN105089614B (en) * | 2014-05-08 | 2023-07-07 | 中国石油化工股份有限公司 | Water content tester for thermal recovery horizontal well |
| CN105089627B (en) * | 2014-05-14 | 2018-08-10 | 中国石油天然气股份有限公司 | Horizontal well rod pipe conveying dynamic logging process rod pipe column and using method |
| CN105089630B (en) * | 2014-05-14 | 2018-09-04 | 中国石油天然气股份有限公司 | Horizontal well rod conveying dynamic logging process rod pipe column and using method |
| CN105134182B (en) * | 2015-09-08 | 2019-01-18 | 中国石油天然气股份有限公司 | Production fluid profile testing pipe column dragged by submersible linear motor and method |
| CN105386743A (en) * | 2015-12-10 | 2016-03-09 | 陕西华晨石油科技有限公司 | Swabbing device for well logging of rod pumped well and well logging method based on device |
| CN105569635B (en) * | 2015-12-31 | 2018-12-28 | 中国石油天然气股份有限公司 | Horizontal well liquid production section testing technology process pipe column and testing method |
| CN107514255A (en) * | 2017-09-06 | 2017-12-26 | 中国海洋石油总公司 | A kind of injection profile test device and its method of testing for High angle water injection well |
| CN110017133B (en) * | 2019-05-23 | 2024-05-10 | 广州海洋地质调查局 | Method and device for testing output profile of horizontal well and plugging water |
| CN111502654A (en) * | 2020-04-30 | 2020-08-07 | 西安迈卓能源科技有限公司 | Horizontal production well section crude oil water content detection device, detection system and detection method |
| CN111852449B (en) * | 2020-09-09 | 2022-11-25 | 哈尔滨艾拓普科技有限公司 | Continuous dragging type horizontal well produced liquid sectional test system |
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