CN1019518B - Testing instrument for measuring water content of oil layer in oil wells - Google Patents
Testing instrument for measuring water content of oil layer in oil wellsInfo
- Publication number
- CN1019518B CN1019518B CN 87107613 CN87107613A CN1019518B CN 1019518 B CN1019518 B CN 1019518B CN 87107613 CN87107613 CN 87107613 CN 87107613 A CN87107613 A CN 87107613A CN 1019518 B CN1019518 B CN 1019518B
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- Prior art keywords
- umbrella
- water content
- testing instrument
- oil
- measuring water
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Abstract
The present invention discloses a testing instrument for measuring flow capacity water content of a ring hollow layering in oil wells, which is suitable for measuring layering output of an oil layer and a water content parameter. A structure of a flow concentration umbrella is improved on a currently accepted testing instrument for measuring flow capacity water content of a ring hollow layering, which is composed of a cable head, a circuit tube, a water content transducer, an output transducer and a flow concentration umbrella. Meanwhile, matched mechanisms of a bracing mechanism, a rejoining mechanism, a downhole balance mechanism, a power-down display mechanism, etc. for installing the structure are added. When the present invention is required for use, the testing instrument is arranged in an oil well for operation by a special cable through an eccentric well head device, and the oil layer data is measured. The present invention has the advantages of operational safety, accurate data and big test range.
Description
The invention belongs to a kind of improved testing instrument for measuring water content of oil layer in oil wells.Particularly a kind of tester that can measure oil well delamination output and separated layer water cut under pumpingh well ordinary production situation is suitable for the pumpingh well of 2～150 side/days of testing producing liquid measure and moisture 0～100%.
Pumpingh well annular space hierarchical testing technology (promptly along instrument test under oil pipe and the sleeve pipe annular space) belongs to the category of production logging.It is to carry out the dynamic monitoring in the oilfield development process, guarantees stable yields, does eucyclic important means well.It is reported that is engaged in pumpingh well annular space hierarchical tester equipment preparation at present mainly contains the U.S., the Soviet Union and Canada.Progressively using three function annular testers from 1979 as the Rashid Sidek Sa Si of the U.S. and New Mexico tests, the main combination bunchiness that adopts carries out integration test, single instrument also can use separately, because of adopting radioactive tracer flowmeter, the defective that has environment pollution and human body is endangered.And the development of the annular tester of the Soviet Union has bigger progress, as Д B-28 output water-containing machine and TPBC-1 type downhole flow water-containing machine and Д Г Д-8 type annular space flow tester, all be used to test oil field pumping well output and moisture, but, makes its current collecting umbrella because of adopting metal, diameter is big, can only be used for large diameter sleeve pipe tests, give in selection and the manufacturing and all brought certain difficulty, and be used for not seeing as yet of annulus logging, simultaneously, close in support and yet to have certain defective aspect the control of current collecting umbrella and the balance, brought inconvenience to site operation.
Task of the present invention is to provide a kind of improved flow moisture annular space hierarchical tester, and it can support opening and closing Gansu Province to current collecting umbrella in the down-hole easily, uses continuously, need not take out, and can know at any time whether current collecting umbrella struts from the Ground Control instrument.Diameter is little, and the scope of application is wide.
Task of the present invention is finished as follows: from the output sensor side connection current collecting umbrella of former annular space hierarchical tester, mode adopts half collecting type, and its current collecting umbrella is made of umbrella muscle, umbrella cloth, umbrella core bar.The umbrella muscle can be made of metal material; umbrella cloth adopts 501 coatings to make; simultaneously in order to prevent that the borehole wall is to the friction of current collecting umbrella in the process of going into the well; the instrument damage that may cause and influence the technical problem of test job; also should load onto the umbrella sheet in the outside of umbrella muscle; and load onto protecting cloth in the outside of umbrella cloth, tie up with tying up the umbrella rope.But, owing to increased and tied up the umbrella rope, no doubt solved that the downhole probe current collecting umbrella struts too early in the process of going into the well and with the technical problem of wall friction.How does can tie up the umbrella rope untie when downhole testing? the present invention has adopted again and has installed one cut off the clipping apparatus of tying up the umbrella rope in the interstitial hole of umbrella core bar.Simultaneously, load onto and the matching used reversing arrangement of current collecting umbrella, it is mainly by descending ratch, spring, last ratch, reversing bar to be formed; Load onto the outage indication mechanism supporting with current collecting umbrella, it mainly should have insulator, outage resistance, plunger to form; Load onto and matching used electromagnetic valve of current collecting umbrella and statocyst, its statocyst can be selected the elastomeric material manufacturing for use.In conjunction with the seal request of downhole probe, can between outage indication mechanism and electric heater, seal nipple be installed in addition.Like this, the present invention is just assembled by known cable head, contact making device, mixting circuit tube, oscillating circuit tube, the current collecting umbrella, reversing arrangement, outage indication mechanism, electromagnetic valve, the statocyst that contain water sensor, output sensor, electric heater and improvement invention.
The present invention is rational in infrastructure, uses reliably, for the test of high produce oil stream well yield provides a kind of important means.
The present invention is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the longitudinal sectional drawing of concrete structure of the present invention.
Fig. 2 is circuit theory diagrams of the present invention.
Fig. 3 is a site operation schematic diagram of the present invention.
Fig. 4 is test curve figure of the present invention.
Accompanying drawing number of the present invention is: cable head (1); contact making device (2); mixting circuit tube (3); oscillating circuit tube (4); contain water sensor (5); output sensor (6); current collecting umbrella (7); umbrella muscle (8); umbrella cloth (9); umbrella core bar (10); tie up umbrella rope (11); clipping apparatus (12); protecting cloth (13); umbrella sheet (14); reversing arrangement (15); following ratch (16); spring (17); last ratch (18); reversing cover (19); shell (20); outage indication mechanism (21); insulator (22); plunger (23); seal nipple (24); hydrothermal solution cavity (25); hot liquid (26); electric heater (27); outage resistance (28); electromagnetic valve (29); statocyst (30); cable car (31); cable (32); instrument cab (33); decentralized wellhead (34); oil pipe screen casing (35); mixing oscillating circuit (36); switch board (37).
With reference to Fig. 1; one has output sensor (6) (the present invention adopt be turbine flowmeter); contain water sensor (5) (the present invention adopt be capacitance sensor) and cable head (1); contact making device (2); mixting circuit tube (3); oscillating circuit tube (4); in the hierarchical tester of current collecting umbrella (7) assembling; here; because current collecting umbrella is to survey on the instrument improved at the pumpingh well branch of the Soviet Union; the principle that has adopted umbrella to strut and draw in; this technology is applied in the branch survey instrument; having improved the widely used oil well in present domestic oil field fully and divided the leather bag distending of surveying instrument to shrink the shunting stopped flow technique, is that current collecting umbrella (7) has been modified into umbrella muscle (8); umbrella cloth (9); umbrella core bar (10) and in order to solve umbrella is not damaged and the umbrella sheet (14) of adapting device in the process of going into the well; tie up umbrella rope (11); clipping apparatus (12); the combining structure of protecting cloth (13).Wherein umbrella muscle (8) for metal material make sheet or shaft-like all can, the present invention adopts laminated structure, umbrella cloth (9) be 501 the coating make garden shape umbrella, according to the needs of umbrella mass flow, it is some to stamp tap hole in the above.Umbrella core bar (10) is made hollow rod shape with metal; and the slotted eye that is processed with cooperation dress umbrella muscle reaches and reversing arrangement (15) institute thread; make shaft-like or sheet with metal the umbrella sheet (14) of umbrella muscle; be contained in the middle part of umbrella muscle (8); requirement according to binding umbrella cloth (9); tie up umbrella rope (11) with the high-strength nylon line; it is passed through by the horizontal mesopore in the umbrella core bar (10); then umbrella cloth (9) is tied; when downhole testing, untie again simultaneously and tie up umbrella rope (11); the present invention adopts metal to make a shear (12); it is hollow rod shape parts; one end is connected with umbrella core bar (10), and the other end is processed with the edge of a knife, through Quenching Treatment; its edge of a knife upwards is arranged in umbrella core bar hole; umbrella rope (11) position is tied up thereon in its mouthful upper end, further is protected in the process of going into the well in order to make umbrella cloth (9), also loads onto the protecting cloth (13) that makes with the nylon bruss adhesive plaster in the outside of umbrella cloth (9).Like this, the current collecting umbrella (7) through the improvement invention has just made.Its umbrella core bar (10) one ends are connected with output sensor (6), the other end is connected with reversing arrangement (15), in the concrete structure of Fig. 1, reversing arrangement adopts the steel-tooth engaging mechanism, it is by following ratch (16), spring (17), last ratch (18), reversing cover (19) constitutes, be contained in the shell (20), the tooth engagement of the dentation end of following ratch (16) and last ratch (18), and the other end contacts with the plunger (23) of outage indication mechanism (21), outage indication mechanism (21) also has insulator (22) except that plunger (23) part, outage resistance (28) constitutes jointly and function takes place; Its insulator (22) is connected with seal nipple (24) again, and its seal nipple is processed into and different up and down small through hole, and loads onto felt or rubber seal parts, and is excessive with the expansion that prevents hot liquid (26); And the other end of seal nipple (24) is connected with hydrothermal solution cavity (25), the electric heater (27) that is used for to hot liquid (26) heating is housed in its hydrothermal solution cavity, its hydrothermal solution cavity again must connection for solving current collecting umbrella (7) since in the process of going into the well the intensification temperature along with the degree of depth increase electromagnetic valve (29) and the statocyst (30) that heating struts too early, statocyst (30) employing elastomeric material manufactures the capsule of pocket-like, is loaded on the lower end of electromagnetic valve (29).
When test was used, the branch that at first will be assembled into one was surveyed instrument and is located cable (32) on the stube cable car (31) by cable head (1), and the lead in the cable (32) connects the switch board (37) on the instrument cab (33) respectively.Circuit connects with reference to Fig. 2 circuit theory diagrams.The cable car and the control instrument car that will carry testing instrument for measuring water content of oil layer in oil wells then reach needs test oil wells in field, connect power supply, minute electromagnetic valve of survey instrument (29) adjusted to and normally open that statocyst (30) is communicated with, be lowered into test oil reservoir below the oil pipe screen casing (35) from the decentralized wellhead (34) of oil well, zonal testing from the bottom up, instantly when needing tested oil reservoir, switch board (37) in the instrument cab (33) is gone up instrument can send signal, at this moment connect the down-hole and divide the power supply of surveying instrument, electromagnetic valve (29) cuts out the passage with statocyst (30) automatically, the closed conducting of the electric-controlled switch that is provided with on it, make electric heater (27) work, make hot liquid (26) expansion in the hydrothermal solution cavity (25) be full of whole inner chamber rapidly, promote plunger (23) thereby transmit, then transmit the following ratch (16) that promotes reversing arrangement (15), last ratch (18) transmits and promotes umbrella core bar (10), and current collecting umbrella (7) is strutted.Illustrate that in addition two point: a, current collecting umbrella (7) are in the process that progressively struts along with thrust, outage indication mechanism (28) moves simultaneously, plunger on it (23) is owing to transmit thrust, move to the current collecting umbrella direction, when current collecting umbrella (7) when just strutting, its small end leaves the contacting metal in the insulator (22) and forms outage, and this power-off signal is transferred to Ground Control cabinet (37) by outage resistance (28) and is shown.B, clipping apparatus (12) are because the transmission thrust of umbrella core bar, and its edge of a knife moves up and cuts off and tie up umbrella rope (11), struts reliably to guarantee current collecting umbrella (7).At this moment, because strutting of current collecting umbrella (7), the liquid of tested layer upwards flows and is stoped, and can not all pass through, a part can only enter output sensor (6) from the duct in the middle of the umbrella core bar (10), the production fluid quantitative change that output sensor (6) passes through afflux becomes electric signal to be conveyed into Ground Control cabinet (37) after down-hole mixing oscillating circuit (36) is handled, and makes it under the secondary read out instrument obtains showing and prints.And the liquid aqueous ratio that containing of working simultaneously, water sensor (5) passed through afflux becomes electric signal and also handles through down-hole mixing oscillating circuit (36) and be conveyed into Ground Control cabinet (37), shows on the secondary read out instrument, prints.
One deck test finishes, open electromagnetic valve (29), make well liquid enter statocyst (30) by its passage again and carry out balance, because opening of electromagnetic valve (29), cut off the power supply of electric heater (27) again simultaneously, hot liquid (26) in the hydrothermal solution cavity (25) can not get heating, and volume dwindles again gradually, closes up after reversing arrangement (15) commutation thereby current collecting umbrella (7) can not get transmitting thrust.If survey last layer again, the course of work is the same, after the whole test of tested layer finish, will divide the survey instrument to take out by decentralized wellhead (34) again, maintains stand-by.
With reference to Fig. 4, be experimental test curve of the present invention, through comparing in original test data, the definition height meets the requirement that the oil field measures well information fully.
Claims (10)
1, a kind of from top to bottom by cable head (1), contact making device (2), mixting circuit tube (3), oscillating circuit tube (4), contain water sensor (5), output sensor (6), current collecting umbrella (7), hydrothermal solution cavity (25), be contained in the testing instrument for measuring water content of oil layer in oil wells that the electric heater (27) in the hydrothermal solution cavity (25) is linked in sequence and is formed, it is characterized in that:
A current collecting umbrella (7) is made of umbrella muscle (8), umbrella cloth (9), umbrella core bar (10), umbrella core bar (10) upper end practice midwifery quantity sensor (6), termination enclosure (20) down, umbrella core bar (10) is processed with the slotted eye that cooperates dress umbrella muscle, umbrella muscle (8) is fitted on the slotted eye, and umbrella cloth (9) is contained in the surface of umbrella muscle (8);
It is equipped with reversing arrangement (15) b, and this reversing arrangement (15) is contained in the shell (20), and its upper end is connected following termination seal nipple (24) with umbrella core bar (10);
It is equipped with outage indication mechanism (21) c, and this mechanism is contained in the shell (20), and its upper surface is near reversing arrangement (15);
It is equipped with electromagnetic valve (29) and statocyst (30) d, and the sack of bag shape statocyst (30) is sleeved on electromagnetic valve (29) lower end, and both place hydrothermal solution cavity bottom altogether.
2, testing instrument for measuring water content of oil layer in oil wells according to claim 1 is characterized in that having installed on the umbrella muscle (8) umbrella sheet (14).
3, testing instrument for measuring water content of oil layer in oil wells according to claim 1, the outside that it is characterized in that umbrella cloth (9) is equipped with and is tied up umbrella rope (11).
4,, it is characterized in that being equipped with in the mesopore of umbrella core bar (10) and cut off the clipping apparatus (12) of tying up umbrella rope (11) according to claim 1 or 3 described testing instrument for measuring water content of oil layer in oil wells.
5, testing instrument for measuring water content of oil layer in oil wells according to claim 1 is characterized in that umbrella muscle (8) adopts metal material to make, and umbrella cloth (9) adopts 501 coating materials to make.
6, testing instrument for measuring water content of oil layer in oil wells according to claim 1 is characterized in that being equipped with between umbrella muscle and the umbrella cloth protecting cloth (13).
7, testing instrument for measuring water content of oil layer in oil wells according to claim 1 is characterized in that reversing arrangement is by descending ratch (16), spring (17), last ratch (18), reversing cover (19) to form.
8, testing instrument for measuring water content of oil layer in oil wells according to claim 1, the indication mechanism (21) that it is characterized in that cutting off the power supply is made up of insulator (22), outage resistance (28), plunger (23).
9, testing instrument for measuring water content of oil layer in oil wells according to claim 1 is characterized in that between outage indication mechanism (21) and electric heater (27) seal nipple (24) being housed.
10, testing instrument for measuring water content of oil layer in oil wells according to claim 1 is characterized in that statocyst (30) adopts elastomeric material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87107613 CN1019518B (en) | 1987-11-09 | 1987-11-09 | Testing instrument for measuring water content of oil layer in oil wells |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87107613 CN1019518B (en) | 1987-11-09 | 1987-11-09 | Testing instrument for measuring water content of oil layer in oil wells |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN87107613A CN87107613A (en) | 1988-04-27 |
| CN1019518B true CN1019518B (en) | 1992-12-16 |
Family
ID=4816163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87107613 Expired CN1019518B (en) | 1987-11-09 | 1987-11-09 | Testing instrument for measuring water content of oil layer in oil wells |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1019518B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763409B (en) * | 2015-03-03 | 2017-08-01 | 西安威盛电子科技股份有限公司 | A kind of oil downhole flow measurement apparatus and measuring method |
| CN104863582B (en) * | 2015-05-19 | 2017-06-20 | 东北石油大学 | A kind of full current collecting umbrella for oil well liquid-producing section plane test |
| CN111042796B (en) * | 2018-10-12 | 2023-07-11 | 中国石油化工股份有限公司 | Oil well annular space passing layered flow measuring device |
| CN115680542A (en) * | 2021-07-22 | 2023-02-03 | 中国石油天然气集团有限公司 | Leakage-proof device, gas channeling-proof device and well cementing device |
-
1987
- 1987-11-09 CN CN 87107613 patent/CN1019518B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CN87107613A (en) | 1988-04-27 |
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| C06 | Publication | ||
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |