CN204877396U - Controllable pit shaft back -up sand device - Google Patents
Controllable pit shaft back -up sand device Download PDFInfo
- Publication number
- CN204877396U CN204877396U CN201520630759.8U CN201520630759U CN204877396U CN 204877396 U CN204877396 U CN 204877396U CN 201520630759 U CN201520630759 U CN 201520630759U CN 204877396 U CN204877396 U CN 204877396U
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- China
- Prior art keywords
- sand
- oil pipe
- pipe
- inlet tube
- elbow
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- Expired - Fee Related
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- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model provides a controllable pit shaft back -up sand device, includes: the pump truck, oil bushing pipeline, the sand pocket is geted in touch and is filled out sand hopper, oil bushing pipeline includes elbow formula oil pipe import pipe, elbow formula sleeve pipe import pipe, pump truck tee bend and oil pipe tee bend, the pump truck outlet pipe passes through the pump truck tee bend and links to each other with elbow formula sleeve pipe import pipe with elbow formula oil pipe import pipe is continuous respectively, elbow formula oil pipe import pipe is through linking to each other with control switch on the oil pipe tee bend, control switch with fill out sand hopper and link to each other, oil pipe tee bend lower extreme passes through oil pipe and connects with the well head tee bend continuously, elbow formula sleeve pipe import pipe links to each other with the sleeve pipe gate through the clamp, be equipped with a right -angle type sand pocket couple on elbow formula oil pipe import pipe, facing to the middle part of filling out sand hopper above the right -angle type sand pocket couple. The utility model discloses simple structure, the convenience is connected with other kits, the back -up sand reduces intensity of labour than the control of accessible funnel control switch, improves the success rate of process, effectively prevents well head environmental pollution on every side.
Description
Technical field
The utility model relates to a kind of controlled pit shaft sand-filling apparatus, solves well head and easily returns water, and equipment many, vehicle holding time is long, expense investment greatly, the problem that adapter line operator labour intensity is high.
Background technology
Gudao oilfield Guantao group siltstone and fine sand reservoir non-homogeneity is strong, poor diagenetic grade, oil reservoir loose cementation, clay content is high, shake out serious, most well needs sand control, when taking the sand control measures such as peritonaeum sand, back-up sand technique in frequent employing pit shaft, back-up sand technique is employing 400 type cementing truck turn on pump recirculated water and artificial back-up sand fit system at present.Traditional back-up sand mode is the back-up sand mode that employing 400 type cementing truck turn on pump recirculated water coordinates with artificial back-up sand, pump into fluid flow is difficult to control, well head easily returns water, and equipment many (comprise cementing truck, draw water-tank lorry etc.), vehicle holding time is long, expense investment is large, and adapter line operator labour intensity is high.
Summary of the invention
The purpose of this utility model is the defect overcoming the existence of above-mentioned prior art, provides a kind of oil field controlled pit shaft sand-filling apparatus.
The technical solution of the utility model is achieved in the following ways:
The utility model comprises: pump truck, tubing and casing connecting line, sand pocket hook and back-up sand funnel, it is characterized in that: tubing and casing connecting line comprises elbow type oil pipe inlet tube, elbow type sleeve pipe inlet tube, pump truck threeway and oil pipe threeway, pump truck outlet is connected with elbow type oil pipe inlet tube respectively by pump truck threeway and is connected with elbow type sleeve pipe inlet tube, elbow type oil pipe inlet tube is connected with gauge tap by oil pipe threeway upper end, gauge tap is connected with back-up sand funnel, oil pipe threeway lower end is connected with wellhead tee joint by oil connection, elbow type sleeve pipe inlet tube is connected with sleeve gate by clip, elbow type oil pipe inlet tube is provided with a right-angle type sand pocket hook, and right-angle type sand pocket hook top is facing to the middle part of back-up sand funnel.
The exit of described back-up sand funnel is provided with a turnover plate type gauge tap.
Described elbow type sleeve pipe inlet tube is set to elbow bend, and two ends are provided with hoop.
Described elbow type oil pipe inlet tube is set to elbow bend, and one is long and the other is short for right-angle side, and short right-angle side end is provided with hoop.
The utility model has the following advantages: structure is simple, the connection of convenience and other kits; Back-up sand controls than by funnel gauge tap, reduces labour intensity, improves the success rate of operation, effectively prevents well head ambient contamination.
Accompanying drawing explanation
Fig. 1-structural representation of the present utility model.
1-elbow type sleeve pipe inlet tube, the threeway of 2-pump truck, 3-clip, 4-elbow type oil pipe inlet tube, 5-sand pocket hook, 6-back-up sand funnel, 7-gauge tap, the threeway of 8-oil pipe, 9-oil connection in figure.
Detailed description of the invention
For disclosing the technical solution of the utility model further, elaborated by embodiment below in conjunction with Figure of description:
The utility model comprises: pump truck, tubing and casing connecting line, sand pocket hook 5 and back-up sand funnel 6, it is characterized in that: tubing and casing connecting line comprises elbow type oil pipe inlet tube 4, elbow type sleeve pipe inlet tube 1, pump truck threeway 2 and oil pipe threeway 8, pump truck outlet is connected with elbow type oil pipe inlet tube 4 respectively by pump truck threeway 2 and is connected with elbow type sleeve pipe inlet tube 1, elbow type oil pipe inlet tube 1 is connected with gauge tap 7 by oil pipe threeway 8 upper end, gauge tap 7 is connected with back-up sand funnel 6, oil pipe threeway 8 lower end is connected with wellhead tee joint by oil connection 9, elbow type sleeve pipe inlet tube 1 is connected with sleeve gate by clip 3, elbow type oil pipe inlet tube 1 is provided with a right-angle type sand pocket hook 5, and the middle part of 5 tops facing to back-up sand funnel 6 linked up with by right-angle type sand pocket.
Controlled pit shaft sand-filling apparatus adopts pump truck as the power of circulation fluid, when strata pressure balances, water is filled with in pump truck rail and oil jacket annular space, then termination of pumping car, the artificial sand pocket that hung over by packed quartz sand is linked up with on 5, sand pocket is cut open with reaping hook, sand bleeds in back-up sand funnel 6, controlled by the gauge tap 7 of back-up sand funnel 6 import department, flowing into oil connection 9 with liquid enters in tubing string, the sand volume entered can be arranged and replace out isopyknic liquid, under the effect of pressure differential, the liquid of discharging from sleeve pipe passes through sleeve gate, elbow type sleeve pipe inlet tube 1, pump truck threeway 2, oil pipe threeway 8 and oil connection 9 enter the hydrodynamic force as back-up sand in tubing string, if there is leakage situation on stratum, water returns to come up, and turn on pump car pumping liquid, as the hydrodynamics circulating system of back-up sand, carries out continuous back-up sand, until complete back-up sand sand control task.
Claims (4)
1. a controlled pit shaft sand-filling apparatus, comprise: pump truck, tubing and casing connecting line, sand pocket hook and back-up sand funnel, it is characterized in that: tubing and casing connecting line comprises elbow type oil pipe inlet tube, elbow type sleeve pipe inlet tube, pump truck threeway and oil pipe threeway, pump truck outlet is connected with elbow type oil pipe inlet tube respectively by pump truck threeway and is connected with elbow type sleeve pipe inlet tube, elbow type oil pipe inlet tube is connected with gauge tap by oil pipe threeway upper end, gauge tap is connected with back-up sand funnel, oil pipe threeway lower end is connected with wellhead tee joint by oil connection, elbow type sleeve pipe inlet tube is connected with sleeve gate by clip, elbow type oil pipe inlet tube is provided with a right-angle type sand pocket hook, and right-angle type sand pocket hook top is facing to the middle part of back-up sand funnel.
2. controlled pit shaft sand-filling apparatus according to claim 1, is characterized in that: the exit of described back-up sand funnel is provided with a turnover plate type gauge tap.
3. controlled pit shaft sand-filling apparatus according to claim 1, is characterized in that: described elbow type sleeve pipe inlet tube is set to elbow bend, and two ends are provided with hoop.
4. controlled pit shaft sand-filling apparatus according to claim 1, is characterized in that: described elbow type oil pipe inlet tube is set to elbow bend, and one is long and the other is short for right-angle side, and short right-angle side end is provided with hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520630759.8U CN204877396U (en) | 2015-08-20 | 2015-08-20 | Controllable pit shaft back -up sand device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520630759.8U CN204877396U (en) | 2015-08-20 | 2015-08-20 | Controllable pit shaft back -up sand device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204877396U true CN204877396U (en) | 2015-12-16 |
Family
ID=54821779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520630759.8U Expired - Fee Related CN204877396U (en) | 2015-08-20 | 2015-08-20 | Controllable pit shaft back -up sand device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204877396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869120A (en) * | 2019-03-18 | 2019-06-11 | 中国石油化工股份有限公司 | The sand control back-up sand system of large cased well |
-
2015
- 2015-08-20 CN CN201520630759.8U patent/CN204877396U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869120A (en) * | 2019-03-18 | 2019-06-11 | 中国石油化工股份有限公司 | The sand control back-up sand system of large cased well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160820 |