CN2435514Y - Water well stratification pressure-measuring unit - Google Patents
Water well stratification pressure-measuring unit Download PDFInfo
- Publication number
- CN2435514Y CN2435514Y CN00232039U CN00232039U CN2435514Y CN 2435514 Y CN2435514 Y CN 2435514Y CN 00232039 U CN00232039 U CN 00232039U CN 00232039 U CN00232039 U CN 00232039U CN 2435514 Y CN2435514 Y CN 2435514Y
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- passage
- seal section
- oil
- eccentric orfice
- centre bore
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Abstract
The utility model relates to a tool used for the layered pressure measurement, the petroleum production and the water injection of a petroleum production well, which is composed of a salvaging head, a working barrel, a packer and a tester, wherein a central hole 14 and an eccentric hole 15 are arranged on a main body of the working barrel 9, a bridge type passage 6 which is perforated up and down is also arranged on the working barrel 9, and a passage which is communicated with the eccentric hole 15 is arranged at a corresponding point between two groups of seals 5 of the central hole (14) and a sealing section 4. The upper side of oil and a water faucet in the packer 12 is corresponding to the passage of the eccentric hole which is communicated with the central hole, and the lower side of the oil and the water faucet is corresponding to an annular hollow passage of the eccentric hole. The utility model has the advantages of exact seal, no interference, low cost, multiple acquiring data, high successful rate and high accuracy, can optionally test a certain layer, has no influence for the lower layer production, can be used for oil wells and water injection wells, and can conduct single-layer producing distribution, test and injection production.
Description
The utility model relates to the zonal pressure measurement of Petroleum Production well and oil recovery, water injection technology and instrument, specifically is a kind of well delaminating pressure testing device that is used for oil, well.
When oil exploitation, often to measure strata pressure, calculate the oil reservoir reserves and carry out reservoir performance analysis, after the variation of the difference of more present strata pressure and original formation pressure and zonal pressure, adopt the method for water filling or oil recovery to determine production capacity, develop oil reservoir.At present, the method that usually adopts layering to measure and exploit improves the production efficiency of individual well, reduce cost, in water filling with when measuring, the most frequently used is eccentric center water-distributing technology, this technology be with storage adopt, the water filling layer separates, be lowered to eccentric blanking plug or water nozzle control water injection rate, yield at the flank of tubing string during operation, simultaneously also can send into pressure tester to the down-hole, finish test jobs, the subject matter that the device of this process using exists is:
(1) when utilizing the seal section test, because the seating nipple centre bore is that test channel also is a fluid course,, is only permitted seal section epimere pressure and be higher than the lower end if there is pressure reduction in the seal section two ends, if end pressure is higher than the upper end down, then can eject seating nipple to seal section;
(2) during test traffic, because the test channel of seating nipple is connected with the lower floor passage, can not singly survey certain laminar flow amount, the method that utilize interval to superpose can cause bigger error to substratum and full well yield than little layer;
(3) during test pressure, only can successively test from bottom to top, can not survey certain layer arbitrarily, when surveying certain stressor layer, the test section lower layer must stop to annotate;
(4) be limited to water injection well and use, oil well is inapplicable;
(5) owing to can not obtain the accurate data of single-interval test, can not accurately carry out the individual layer of oil well and join product.
The purpose of this utility model is the problems referred to above that exist at existing apparatus, provide a kind of when interlayer pressure changes tester can be by Shang Ding, can measure all intervals simultaneously, also can appoint the well delaminating pressure testing device of getting some interval pressure measurement, measurement of discharge.
The technical solution adopted in the utility model is:
Well delaminating pressure testing device is made up of fishing head 2, seating nipple 9, blanking plug 12, tester 3, seal section 4, locating slot 7, locating detent 8, on seating nipple 9 main bodys, have centre bore 14 and eccentric orfice 15, seal section 4 is housed in the centre bore 14, blanking plug 12 is housed in the eccentric orfice 15, it is characterized in that: the passageway bridge 6 that on seating nipple 9, also has up/down perforation; Centre bore 14 has two groups of sealings 5 up and down with seal section 4, and opposite position had the passage 16 that is communicated with eccentric orfice 15 between centre bore (14) and seal section 4 two groups sealed 5; Oil, water nozzle 11 are housed in the blanking plug 12, and oil, be communicated with the passage 16 of centre bore 14 with eccentric orfice 15 relative, oily, water nozzle 11 downsides are relative with eccentric orfice 15 connection annular spaces 18 passages with water nozzle 11 upsides.
The utility model also adopts following technical scheme:
Seal section 4 centers have the through hole of the passage relative with eccentric orfice is arranged 16, and through hole communicates with tester 3.
Seal section is two groups of sealing 5 employings four leather cup two way seals about in the of 4.
Three groups of sealings 10 are arranged in the upper, middle and lower of blanking plug 12.
Tester 3 can be pressure gauge, flow meter or sampling tube.
The utility model advantage is a seat envelope safety and precise, can test certain layer arbitrarily, be not subjected to other layer interference, also do not influence lower layer production, oil well, water injection well all can use, can carry out the individual layer of oil well and join product, it is all strong that test and notes are adopted function, and cost is low, and the data that test is obtained is many, the success rate height, the accuracy height.
Well delaminating pressure testing device under situation about allowing, is not limited by progression at card, can reach more than 10 grades, pulling arbitrarily, tests certain one deck, still normally water filling of other layer.
Fig. 1 is a well delaminating pressure testing device structural representation;
Fig. 2 is a well delaminating pressure testing device seating nipple tube generalized section;
Fig. 3 is a well delaminating pressure testing device seating nipple front view;
Below in conjunction with accompanying drawing in detail the utility model is described in detail:
Well delaminating pressure testing device is made up of fishing head 2, seating nipple 9, blanking plug 12, tester 3, seal section 4, locating slot 7, locating detent 8, centre bore 14 and eccentric orfice 15 are arranged out on seating nipple 9 main bodys, the seal section 4 that cooperatively interacts is housed in the centre bore 14, seal section 4 has two groups of sealings 5 up and down, two groups of sealings 5 can be adopted four leather cup two way seals, promptly from two ends and inside and outside side seal close up and down.Have the passage 16 that with eccentric orfice 14 be connected on the relative centre bore 15 with two groups of sealings between 5.The blanking plug 12 that cooperates with it is housed in the eccentric orfice 14, on eccentric orfice 14, have the duct 16 that communicates with annular space 18, there are three groups of sealings 10 upper, middle and lower of blanking plug 12, removable oil, water nozzle 11 are housed in the blanking plug 12, the passage 16 of oil, water nozzle 11 upsides and eccentric orfice and centre bore is relative and communicate, and oily, water nozzle 11 downsides and eccentric orfice and annular space 18 passages 16 are relative and communicate.The top of seal section 4 is equipped with tester 3, and tester 3 can be pressure gauge, flow meter or sampling tube, and seal section 4 centers have the through hole of the passage relative with eccentric orfice is arranged 16, and the upper end is communicated with tester 3.
On seating nipple 9, also have the passageway bridge 6 of up/down perforation.
The utility model connects oil pipe 20 and is lowered to predetermined stratum 17 when operation, with separator 22 each layer of shutoff oil jacket annular spaces 18, by fisher or steel cable 1 blanking plug 12,4 of seal sections are gone into seating nipple 9, when the seal section of tape test instrument navigates to target zone, other layer liquid stream passes through from bridge-type hole 6, when levels pressure changed, seal section and tester can not come off by last top.Oil, the pressure of water layer, liquid flows by the passage 16 relative with eccentric orfice on passage 16 that communicates with annular space on the eccentric orfice and the centre bore, and the tester 3 that the through hole at seal section 4 centers is delivered to the top of seal section 4 measures data, because seal section and blanking plug are many group two way seals location, can sealing fluid circulation road 21, other layer liquid stream can pass through from the bridge-type hole again, guaranteed to be connected on the multiple parameters that instrument on the seal section measures target zone, in pressure measurement, during measurement of discharge, the seal section of many band instruments is successively thrown in from top to bottom, after layering has been surveyed, successively take out from top to bottom, explain after the data playback, if need to survey full well data, can before layering is measured or after the layering measurement, instrument be lowered to pit shaft oil reservoir position.The tester of seal section in pressure measurement, test on when envelope seal section and connect pressure gauge; Connect electronics (or machinery) flow meter on during measurement of discharge; Connect sampling tube on during sampling, also can connect different instruments according to purposes, test mode adopts steel wire test, cable on-line testing all can.
Blanking plug 12 interior oil, water nozzles 11 can be controlled notes, the amount of adopting reaches and joins the product purpose by changing.
Claims (5)
1. well delaminating pressure testing device is made up of fishing head (2), seating nipple (9), blanking plug (12), tester (3), seal section (4), locating slot (7), locating detent (8), centre bore (14) and eccentric orfice (15) are arranged out on seating nipple (9) main body, seal section (4) is housed in the centre bore (14), blanking plug (12) is housed in the eccentric orfice (15), it is characterized in that: the passageway bridge (6) that on seating nipple (9), also has up/down perforation; Up and down two groups of sealings (5) are arranged between centre bore (14) and the seal section (4), and opposite position has the passage (16) that is communicated with eccentric orfice (15) between two groups of sealings (5) of centre bore (14) and seal section (4); Oil, water nozzle (11) are housed in the blanking plug (12), and oil, be communicated with the passage (16) of centre bore (14) with eccentric orfice (15) relative, oily, water nozzle (11) opposite side is relative with eccentric orfice (15) connection annular space (18) passage (16) with water nozzle (11) one sides.
2. well delaminating pressure testing device according to claim 1 is characterized in that: seal section (4) center has the through hole of the passage (16) relative with eccentric orfice (15) is arranged, and through hole communicates with tester (3).
3. well delaminating pressure testing device according to claim 1 is characterized in that: seal section (4) two groups of sealings (5) up and down adopts four leather cup two way seals.
4. well delaminating pressure testing device according to claim 1 is characterized in that: in the upper, middle and lower of blanking plug (12) three groups of sealings (10) are arranged.
5. well delaminating pressure testing device according to claim 1 is characterized in that: tester (3) can be pressure gauge, flow meter or sampling tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00232039U CN2435514Y (en) | 2000-03-24 | 2000-03-24 | Water well stratification pressure-measuring unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00232039U CN2435514Y (en) | 2000-03-24 | 2000-03-24 | Water well stratification pressure-measuring unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2435514Y true CN2435514Y (en) | 2001-06-20 |
Family
ID=33594773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN00232039U Expired - Lifetime CN2435514Y (en) | 2000-03-24 | 2000-03-24 | Water well stratification pressure-measuring unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2435514Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550823B (en) * | 2008-04-02 | 2012-09-05 | 贵州航天凯山石油仪器有限公司 | Method and device for improving the accuracy of flow rate test of flowmeter used for water injection wells in oil fields |
| CN101403297B (en) * | 2008-10-23 | 2012-11-14 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Direct-reading type oil well delamination pressure gauge |
| CN110067544A (en) * | 2019-06-05 | 2019-07-30 | 付吉平 | Bridge-type, which is surveyed, to be adjusted, tests envelope, surveys pressure integrated high-efficiency injection well downhole flow regulator |
| CN115929294A (en) * | 2023-03-13 | 2023-04-07 | 大庆市璞庆钻采设备制造有限公司 | General trial production tool for operation |
-
2000
- 2000-03-24 CN CN00232039U patent/CN2435514Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550823B (en) * | 2008-04-02 | 2012-09-05 | 贵州航天凯山石油仪器有限公司 | Method and device for improving the accuracy of flow rate test of flowmeter used for water injection wells in oil fields |
| CN101403297B (en) * | 2008-10-23 | 2012-11-14 | 中国石油化工股份有限公司河南油田分公司石油工程技术研究院 | Direct-reading type oil well delamination pressure gauge |
| CN110067544A (en) * | 2019-06-05 | 2019-07-30 | 付吉平 | Bridge-type, which is surveyed, to be adjusted, tests envelope, surveys pressure integrated high-efficiency injection well downhole flow regulator |
| CN110067544B (en) * | 2019-06-05 | 2024-03-15 | 东营市鑫吉石油技术有限公司 | Bridge type high-efficiency water distributor integrating measuring, sealing and pressure testing |
| CN115929294A (en) * | 2023-03-13 | 2023-04-07 | 大庆市璞庆钻采设备制造有限公司 | General trial production tool for operation |
| CN115929294B (en) * | 2023-03-13 | 2023-05-26 | 大庆市璞庆钻采设备制造有限公司 | General trial production tool for operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20010620 |