CN205908282U - Dissolve bridging plug entirely - Google Patents
Dissolve bridging plug entirely Download PDFInfo
- Publication number
- CN205908282U CN205908282U CN201620717204.1U CN201620717204U CN205908282U CN 205908282 U CN205908282 U CN 205908282U CN 201620717204 U CN201620717204 U CN 201620717204U CN 205908282 U CN205908282 U CN 205908282U
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- ring
- packing element
- central canal
- slips
- retaining mechanism
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Abstract
The utility model discloses a dissolve bridging plug entirely, including pushing cylinder, center tube, protection bowl, ring, packing element, pretightening screws, locking mechanism, a wedge section of thick bamboo, shearing pin nail, slips and a toper section of thick bamboo, the ring including last adjustable pump go into ring, movable throw -out collar and down adjustable pump go into the ring, the packing element includes packing element, well packing element and packing element down, pretightening screws includes a pretightening screws and the 2nd pretightening screws, locking mechanism includes a locking mechanism and the 2nd locking mechanism, the shearing pin nail is sat including the packing element and is sealed the shearing pin nail and follow closely with slips shearing pin. This instrument is provided with adjustable pump and goes into the ring, and the pump sending is efficient, whole the dissolving of all parts need not to bore the mill after the fracturing, can shorten construction cycle, reduces the operating cost, reduces the operating risk, excellent in use effect.
Description
Technical field
This utility model is related to petroleum gas field, a kind of complete specifically applied in horizontal well completion transformation process
Molten bridging plug.
Background technology
In industrial gas oil field, bridging plug is usually used and realizes mechanical separator transformation, because bridging plug has construction work
Sequence is few, card envelope position accurately, the advantages of segmentation series is many, transformation scale is big, be therefore widely used in low-permeability oil gas well with
Shale gas well.That commonly uses in existing engineering mainly has composite bridge plug and big orifice bridging plug, and composite bridge plug uses rear needs to be ground with boring
Method remove bridging plug, formed produce passage；Big orifice bridging plug has compared with big orifice, although can be direct using the rear brill plug that is not required to
Gone into operation, but it is formed throttling on producing passage and is unfavorable for exploiting, the phase is such as needed well workover after manufacture, still needs to be bored simultaneously
Grinder sequence, however as being continuously increased of unconventionaloil pool well horizontal section length, using continuous tubing drill mill difficulty increasingly
Greatly, this just brings inconvenience for the application in engineering.
Content of the invention
The purpose of this utility model is to provide one kind molten bridging plug entirely, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, the following technical scheme of this utility model offer:
One kind molten bridging plug entirely, including pushing cylinder, central canal, protection bowl, ring, packing element, pre-loading screw, retaining mechanism, wedge shape cylinder,
Shear pin, slips and conically shaped, described ring include adjustable pump into ring, movable throw-out collar and under adjustable pump into ring, packing element
Including upper packing element, middle packing element and lower rubber cylinder, pre-loading screw includes the first pre-loading screw and the second pre-loading screw, and retaining mechanism includes
First retaining mechanism and the second retaining mechanism, shear pin includes packing element and sets shear pin and slips shear pin, pushing cylinder with
Central canal is connected by trapezoidal thread, and the top of pushing cylinder is provided with ball seat, and protection bowl is threaded connection with central canal, upper adjustable
Formula is pumped into ring and is threaded connection with protection bowl, and on central canal, sulfuration has upper packing element, middle packing element and lower rubber cylinder respectively, and center
Movable throw-out collar is provided with pipe, under the adjustable ring that pumps into be threaded connection with movable throw-out collar, set between central canal and wedge shape cylinder
It is equipped with the first retaining mechanism, be provided with the first pre-loading screw above the first retaining mechanism, between wedge shape cylinder and central canal, be provided with glue
Cylinder sets shear pin, is provided with multi-disc slips, is provided with second between conically shaped and central canal between wedge shape cylinder and conically shaped
Retaining mechanism, is provided with the second pre-loading screw above the second retaining mechanism, be provided with slips shearing between conically shaped and central canal
Pin.
As further program of the utility model: pushing cylinder, central canal, protection bowl, upper adjustable pump into ring, movably push away
Ring, under adjustable pump into ring, the first pre-loading screw, the first retaining mechanism, wedge shape cylinder, packing element shear pin, slips, conically shaped,
Second pre-loading screw, the second retaining mechanism and slips shear pin are all made using water-soluble alloy.
As further program of the utility model: upper packing element, middle packing element and lower rubber cylinder are all made using functional rubber.
As further program of the utility model: upper adjustable pump into ring with the adjustable external diameter pumping into ring identical simultaneously
And upper adjustable pump into ring and under the adjustable external diameter pumping into ring be all higher than or be equal to other parts external diameter.
Compared with prior art, the beneficial effects of the utility model are: this tool construction is simple, reasonable in design, fault rate
Low, safety in utilization is good；This instrument be provided with adjustable pump into ring and under adjustable pump into ring, pumping efficiency is high；After pressure break
All dissolving need not bore mill to all parts, can shorten construction period, reduce operating cost, reduce operating risk, using effect
Good.
Brief description
Fig. 1 is the structural representation of molten bridging plug entirely.
Wherein: 1- pushing cylinder, 2- central canal, 3- protect bowl, 4- upper adjustable pump into ring, the upper packing element of 5-, packing element in 6-, under 7-
Packing element, the movable throw-out collar of 8-, adjustable under 9- pump into ring, 10- first pre-loading screw, 11- first retaining mechanism, 12- wedge shape cylinder,
13- packing element sets shear pin, 14- slips, 15- conically shaped, 16- second pre-loading screw, 17- second retaining mechanism, 18- slips
Shear pin.
Specific embodiment
With reference to specific embodiment, the technical scheme of this patent is described in more detail.
Refer to Fig. 1, one kind molten bridging plug entirely, including pushing cylinder 1, central canal 2, protection bowl 3, ring, packing element, pre-loading screw, lock
Tight mechanism, wedge shape cylinder 12, shear pin, slips 14 and conically shaped 15, described ring includes adjustable pumping into ring 4, movable throw-out collar 8
With under adjustable pump into ring 9, packing element includes packing element 5, middle packing element 6 and lower rubber cylinder 7, and pre-loading screw includes the first pre-loading screw 10
With the second pre-loading screw 16, retaining mechanism includes the first retaining mechanism 11 and the second retaining mechanism 17, and shear pin includes packing element
Set shear pin 13 and slips shear pin 18, pushing cylinder 1 is connected by trapezoidal thread with central canal 2, the top setting of pushing cylinder 1
There is ball seat, protection bowl 3 is threaded connection with central canal 2, the upper adjustable ring 4 that pumps into is threaded connection with protection bowl 3, center
On pipe 2, sulfuration has and is provided with movable throw-out collar 8 on upper packing element 5, middle packing element 6 and lower rubber cylinder 7, and central canal 2 respectively, under adjustable
Pump into ring 9 to be threaded connection with movable throw-out collar 8, between central canal 2 and wedge shape cylinder 12, be provided with the first retaining mechanism 11, first
It is provided with the first pre-loading screw 10 above retaining mechanism 11, be provided with packing element between wedge shape cylinder 12 and central canal 2 and set shear pin
13, it is provided with multi-disc slips 14 between wedge shape cylinder 12 and conically shaped 15, between conically shaped 15 and central canal 2, be provided with the second locking
Mechanism 17, is provided with the second pre-loading screw 16, is provided with slips between conically shaped 15 and central canal 2 above the second retaining mechanism 17
Shear pin 18.Pushing cylinder 1, central canal 2, protection bowl 3, upper adjustable pump into ring 4, movable throw-out collar 8, under adjustable pump into ring 9, the
One pre-loading screw 10, the first retaining mechanism 11, wedge shape cylinder 12, packing element shear pin 13, slips 14, conically shaped 15, the second pretension
Screw 16, the second retaining mechanism 17 and slips shear pin 18 are all made using water-soluble alloy；Upper packing element 5, middle packing element 6 and lower glue
Cylinder 7 is all made using functional rubber, and all parts dissolve in slippery water, clear water and kcl solution.Upper adjustable pump into ring 4 and under
The adjustable external diameter pumping into ring 9 identical and upper adjustable pump into ring 4 and under the adjustable external diameter pumping into ring 9 be all higher than or be equal to
The external diameter of other parts.
Using front, according to the sealing range of the pre- interior latus rectum using casing and upper packing element 5, middle packing element 6 and lower rubber cylinder 7,
Install suitable dimension upper adjustable pump into ring 4 and under adjustable pump into ring 9, improve pumping efficiency；Before bridging plug enters well, foundation is sat
The thrust arranges value (gunpowder loadings) of envelope instrument adjusts the pretension value of the first pre-loading screw 10 and the second pre-loading screw 16；Use
When this device be connected with special setting tool, enter by under cable, straight well section is transferred by gravity, enter lower curved section after pass through
Waterpower is pumped into precalculated position；Start setting tool after cable energising, the cylinder that sets on setting tool acts on pushing cylinder 1, sit
Pintongs slips on envelope instrument pull bar promotes conically shaped 15 mobile with respect to central canal 2, when thrust is more than slips shear pin 18
Shearing strength when, slips shear pin 18 is cut off, setting tool produce lasting thrust under, slips 14 is along wedge shape
The conical surface of cylinder 12 is mobile and gradually opens, and thrust continues to increase, and packing element sets shear pin 13 and cut off, and wedge shape cylinder 12 promotes can
The upper packing element 5 of dynamic throw-out collar 8 extruding, middle packing element 6 and lower rubber cylinder 7 are thus realize sealing sleeve pipe annular space and slips 14 is anchored on sleeve pipe
Effect, simultaneously the first retaining mechanism 11 and the second retaining mechanism 17 have an effect, prevent movable throw-out collar 8, upper packing element 5, middle glue
Cylinder 6, lower rubber cylinder 7, wedge shape cylinder 12 and conically shaped 15 resilience lead to sealing and grappling to be lost efficacy.Setting tool improves further and draws afterwards
Power, the pin of giving up on setting tool is cut off, and realizes giving up.Complete after bridging plug sets and give up, above to carry perforation pipe string and setting
Positioning is put and is carried out many showers hole, then plays perforation hole pipe string, and puts into solvable setting ball, is then carried out pressing crack construction.After pressure break,
Molten bridging plug and solvable setting ball are all dissolved within a certain period of time entirely, thus realize full-bore producing.
This tool construction is simple, and reasonable in design, fault rate is low, and safety in utilization is good；This instrument is provided with adjustable pump
Enter ring 4 and under adjustable pump into ring 9, pumping efficiency is high, and after pressure break, all dissolving need not bore mill to all parts, can shorten construction
In the cycle, reduce operating cost, reduce operating risk, using effect is good.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of without departing from this patent objective
Various changes can be made.
Claims (4)
1. one kind entirely molten bridging plug it is characterised in that include pushing cylinder, central canal, protection bowl, ring, packing element, pre-loading screw, locking machine
Structure, wedge shape cylinder, shear pin, slips and conically shaped, described ring include adjustable pump into ring, movable throw-out collar and under adjustable pump
Enter ring, packing element includes packing element, middle packing element and lower rubber cylinder, pre-loading screw includes the first pre-loading screw and the second pre-loading screw, lock
Tight mechanism includes the first retaining mechanism and the second retaining mechanism, and shear pin includes packing element and sets shear pin and slips shear pin
Nail, pushing cylinder is connected by trapezoidal thread with central canal, and the top of pushing cylinder is provided with ball seat, and protection bowl is with central canal by screw thread even
Connect, the upper adjustable ring that pumps into is threaded connection with protection bowl, and on central canal, sulfuration has upper packing element, middle packing element and lower glue respectively
Cylinder, and is provided with movable throw-out collar on central canal, under the adjustable ring that pumps into be threaded connection with movable throw-out collar, central canal and wedge
It is provided with the first retaining mechanism between shape cylinder, above the first retaining mechanism, be provided with the first pre-loading screw, wedge shape cylinder and central canal
Between be provided with packing element and set shear pin, be provided with multi-disc slips between wedge shape cylinder and conically shaped, between conically shaped and central canal
It is provided with the second retaining mechanism, above the second retaining mechanism, is provided with the second pre-loading screw, arrange between conically shaped and central canal
There is slips shear pin.
2. entirely molten bridging plug according to claim 1 it is characterised in that: pushing cylinder, central canal, protection bowl, upper adjustable pump into
Ring, movable throw-out collar, under adjustable pump into ring, the first pre-loading screw, the first retaining mechanism, wedge shape cylinder, packing element set shear pin,
Slips, conically shaped, the second pre-loading screw, the second retaining mechanism and slips shear pin are all made using water-soluble alloy.
3. entirely molten bridging plug according to claim 1 is it is characterised in that described upper packing element, middle packing element and lower rubber cylinder all adopt
Functional rubber is made.
4. entirely molten bridging plug according to claim 1 and 2 it is characterised in that described adjustable pump into ring and under adjustable
The external diameter pumping into ring is identical, and upper adjustable pump into ring and under the adjustable external diameter pumping into ring be all higher than or be equal to other parts
External diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620717204.1U CN205908282U (en) | 2016-07-08 | 2016-07-08 | Dissolve bridging plug entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620717204.1U CN205908282U (en) | 2016-07-08 | 2016-07-08 | Dissolve bridging plug entirely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205908282U true CN205908282U (en) | 2017-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620717204.1U Active CN205908282U (en) | 2016-07-08 | 2016-07-08 | Dissolve bridging plug entirely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205908282U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971557A (en) * | 2016-07-08 | 2016-09-28 | 四川省贝特石油技术有限公司 | Completely-dissolvable bridge plug |
-
2016
- 2016-07-08 CN CN201620717204.1U patent/CN205908282U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971557A (en) * | 2016-07-08 | 2016-09-28 | 四川省贝特石油技术有限公司 | Completely-dissolvable bridge plug |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |