CN201027513Y

CN201027513Y - Spraying bailing bucket

Info

Publication number: CN201027513Y
Application number: CNU200720200332XU
Authority: CN
Inventors: 彭顺龙; 陈治军; 袁新生; 黄晓东
Original assignee: XINJIANG PETROLEUM ADMINISTRATION OIL-PRODUCTION TECHNOLOGY INST
Current assignee: XINJIANG PETROLEUM ADMINISTRATION OIL-PRODUCTION TECHNOLOGY INST
Priority date: 2007-05-08
Filing date: 2007-05-08
Publication date: 2008-02-27
Anticipated expiration: 2017-05-08

Abstract

The utility model relates to the sand discharging tool for eliminating the sand production in an oil well, in particular to a spray bailing bucket suitable for eliminating the sand production in the dense oil horizontal well on superficial layer. The spray bailing bucket comprises an adapter, an outer cylinder, an internal sleeve, a sand storing pipe, an inner cylinder head and a guiding head, wherein, the upper end of the outer cylinder is fixed on the adapter, the lower end of the outer cylinder is fixed on the guiding head, the inner chamber of the outer cylinder is provided with the internal sleeve, the lower end of the internal sleeve is fixed on the guiding head, the lower end of the sand storing pipe is connected with the upper end of the internal sleeve, the upper end of the sand storing pipe is connected with the lower end of the inner cylinder head; the sand storing pipe is inside provided with a valve upper cover, the lower end of a valve is pressed against an sand intake of the guiding head, the valve upper cover and the valve are provided with a spring for the valve moving along the valve upper cover up and down. With reasonable and compact structure, convenient use and small investment, the utility model can effectively carry out the work of sand washing and sand bailing and is in particular suitable for the shallow well with low level of yield.

Description

Spray bailers

One, technical field

The utility model relates to gets rid of the sediment outflow instrument that shakes out used in the oil well, and be specially adapted to get rid of in the shallow layer thick oil horizontal well and shake out, be a kind of injection bailers.

Two, background technology

Xinjiang Oilfield shallow layer thick oil horizontal wells, oil reservoir well section cutting seam sieve tube completion is not cemented the well.Oil well puts into production after annotating vapour, shake out easily because of oil reservoir is loose, use the conventional method sand washing, flushing fluid very easily enters oil reservoir, can't realize effective sand removal, thereby have a strong impact on the ordinary production of horizontal well, even can be forced to stop production, and adopt the negative pressure sand washing, there are complex structure, problem that input cost is high.

Three, summary of the invention

The utility model provides a kind of injection bailers, has overcome the deficiency of above-mentioned prior art, can remove in the well effectively and shake out.

The technical solution of the utility model realizes by following measure: a kind of injection bailers comprises crossover sub, urceolus, interior cover, storage sand tube, inside drum cover and guide head; The upper end of urceolus is fixedly mounted on the crossover sub, the lower end of urceolus is fixedly mounted on the guide head, interior cover is arranged in the inner chamber of urceolus, the lower end of interior cover is fixedly mounted on the guide head, the lower end of storage sand tube and the upper end of interior cover link together, and the upper end of storage sand tube and the lower end of inside drum cover link together; Be installed with on the valve in storage sand tube and cover, the lower end of valve withstands on the sand inlet of guide head, and the spring that valve is moved up and down along cover on the valve is installed on cover and valve on the valve.

Be further optimization and/or improvements below to above-mentioned technical solutions of the utility model:

The top of above-mentioned inside drum cover can be installed with one-way cock.

Above-mentioned one-way cock can adopt two-way portable one way valve, this two-way portable one way valve comprises block and spool, on the top of inside drum cover the valve road is arranged, the block of block is connected with the core body of spool and can places in the valve road, the upper end of block can be stuck in the outside of inside drum cover, the lower end of spool can be stuck in the inboard of inside drum cover, on the core body of the block of block and spool, runner is arranged, the interior rear flank runner that is stuck in inside drum cover in the lower end of spool is communicated with the cavity of inside drum cover inboard with the cavity in the inside drum cover outside, the upper end that is stuck in the outside backstop of inside drum cover in the upper end of block blocks runner.

Can have on the above-mentioned guide head and can make the logical pod apertures of outer tube inner chamber and urceolus outer ring Kongxiang.

Between above-mentioned storage sand tube and the urceolus wiper block can be arranged.

Between cover and the valve sealing ring can be installed on the above-mentioned valve.

Between above-mentioned urceolus and the crossover sub and/or between urceolus and the guide head anti-rotation shear pin can be installed; Between urceolus and the crossover sub or/and between urceolus and the guide head sealing ring can be arranged.

The utility model reasonable and compact in structure, easy to use, can effectively carry out sand washing and drag for sand work, and also less investment, the shallow well that is specially adapted to yield poorly.

Four, description of drawings

Accompanying drawing 1 is looked the sectional structure schematic diagram for the master of the utility model most preferred embodiment;

Coding in the accompanying drawing is respectively: 1 is crossover sub, and 2 is block, and 3 is spool, 4 is the anti-rotation shear pin, and 5 is inside drum cover, and 6 is sealing ring, 7 is wiper block, and 8 is urceolus, and 9 is storage sand tube, 10 is to cover on the valve, and 11 is interior cover, and 12 is sealing ring, 13 is valve, 14 is spring, and 15 is guide head, and 16 is pod apertures.

Five, the specific embodiment

The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.

Below in conjunction with embodiment and accompanying drawing the utility model is further described:

As shown in Figure 1, this injection bailers comprises crossover sub 1, urceolus 8, interior cover 11, storage sand tube 9, inside drum cover 5 and guide head 15; The upper end of urceolus 8 is fixedly mounted on the crossover sub 1, the lower end of urceolus 8 is fixedly mounted on the guide head 15, cover 11 in the inner chamber of urceolus 8, having, the lower end of interior cover 11 is fixedly mounted on the guide head 15, the upper end of the lower end of storage sand tube 9 and interior cover 11 links together, and the lower end of the upper end of storage sand tube 9 and inside drum cover 5 links together; Be installed with in storage sand tube 9 and cover 10 on the valve, the lower end of valve 13 withstands on the sand inlet of guide head, is equipped with to make valve 13 along cover 10 springs that move up and down 14 on the valve on cover 10 and valve 13 on the valve.

Can according to actual needs above-mentioned injection bailers be made further optimization and/or improvements:

As shown in Figure 1, top at inside drum cover 5 is installed with one-way cock, this one-way cock preferably adopts two-way portable one way valve, this two-way portable one way valve comprises block 2 and spool 3, on the top of inside drum cover 5 the valve road is arranged, the block of block 2 is connected with the core body of spool 3 and can places in the valve road, the upper end of block 2 can be stuck in the outside of inside drum cover 5, the lower end of spool 3 can be stuck in the inboard of inside drum cover 5, on the core body of the block of block 2 and spool 3, runner is arranged, the interior rear flank runner that is stuck in inside drum cover 5 in the lower end of spool 3 is communicated with the cavity of inside drum cover 5 inboards with the cavity in inside drum cover 5 outsides, the upper end that is stuck in the outside backstop 5 of inside drum cover 5 in the upper end of block 2 blocks runner; Also can adopt other existing known one-way cock according to actual needs.

As shown in Figure 1, sand grains for flushed zone greasy filth, the logical pod apertures 16 of tube inner chamber and urceolus outer ring Kongxiang outside making can be arranged on guide head 15, like this, in oil pipe, pump into hot water, hot water will dash with the sand grains of greasy filth by the pod apertures 16 of guide head 15, by guide shoe it is sucked inner core by the bailers that inserts by force.

As shown in Figure 1, wiper block 7 is arranged between storage sand tube and the urceolus, wiper block 7 plays the centralizing function to inside drum cover 5, storage sand tube 9 and interior cover 11.

As shown in Figure 1, in order to increase sealing, between cover 10 and the valve 13 sealing ring 6 can be installed on the valve.

As shown in Figure 1, in order to prevent the rotation in the same way of parts, between urceolus 8 and the crossover sub 1 or between urceolus 8 and the guide head 15 anti-rotation shear pin 4 is being installed, perhaps, between urceolus 8 and the crossover sub 1 and between urceolus 8 and the guide head 15 anti-rotation shear pin 4 is being installed simultaneously; Perhaps, between urceolus 8 and the crossover sub 1 or between urceolus 8 and the guide head 15 sealing ring 6 can be arranged, perhaps, between urceolus 8 and the crossover sub 1 and between urceolus 8 and the guide head 15 sealing ring 6 be arranged simultaneously.

Above technical characterictic has constituted most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease non-essential technical characterictic according to actual needs, satisfies the demand of different situations.

The concrete application of the utility model most preferred embodiment is as follows: at first, spraying bailers is connected down to net horizontal section with oil pipe, progressively deepen oil pipe then, in oil pipe, pump into hot water simultaneously, hot water will dash with the sand grains of greasy filth by the spray orifice of guide head 15, by guide shoe it is sucked interior cover 11 by the bailers that inserts by force, enter storage sand tube 9 then.Because valve is arranged at inside drum cover 5 tops, flushing fluid can not enter in the tube, and the sand that sucks can ponding enters in the tube in the tube by getting rid of.On when carrying bailers valve 13 close, sand grains can not spilt.Like this, just ground is reaped on ground of the sand in the well.

Claims

1. one kind is sprayed bailers, it is characterized in that comprising crossover sub, urceolus, interior cover, storage sand tube, inside drum cover and guide head; The upper end of urceolus is fixedly mounted on the crossover sub, the lower end of urceolus is fixedly mounted on the guide head, interior cover is arranged in the inner chamber of urceolus, the lower end of interior cover is fixedly mounted on the guide head, the lower end of storage sand tube and the upper end of interior cover link together, and the upper end of storage sand tube and the lower end of inside drum cover link together; Be installed with on the valve in storage sand tube and cover, the lower end of valve withstands on the sand inlet of guide head, and the spring that valve is moved up and down along cover on the valve is installed on cover and valve on the valve.

2. injection bailers according to claim 1 is characterized in that the top of inside drum cover is installed with one-way cock.

3. injection bailers according to claim 2, it is characterized in that one-way cock adopts two-way portable one way valve, this two-way portable one way valve comprises block and spool, on the top of inside drum cover the valve road is arranged, the block of block is connected with the core body of spool and can places in the valve road, the upper end of block can be stuck in the outside of inside drum cover, the lower end of spool can be stuck in the inboard of inside drum cover, on the core body of the block of block and spool, runner is arranged, the interior rear flank runner that is stuck in inside drum cover in the lower end of spool is communicated with the cavity of inside drum cover inboard with the cavity in the inside drum cover outside, the upper end that is stuck in the outside backstop of inside drum cover in the upper end of block blocks runner.

4. according to claim 1 or 2 or 3 described injection bailers, it is characterized in that having on the guide head making the logical pod apertures of outer tube inner chamber and urceolus outer ring Kongxiang.

5. according to claim 1 or 2 or 3 described injection bailers, it is characterized in that between storage sand tube and the urceolus wiper block being arranged.

6. injection bailers according to claim 4 is characterized in that between storage sand tube and the urceolus wiper block being arranged.

7. according to claim 1 or 2 or 3 described injection bailers, it is characterized in that between the cover and valve sealing ring being installed on the valve.

8. injection bailers according to claim 4 is characterized in that on the valve between cover and the valve sealing ring being installed.

9. injection bailers according to claim 5 is characterized in that on the valve between cover and the valve sealing ring being installed.

10. injection bailers according to claim 9 is characterized in that being equipped with between urceolus and the crossover sub and/or between urceolus and the guide head anti-rotation shear pin; Between urceolus and the crossover sub or/and between urceolus and the guide head sealing ring is arranged.