CN205477470U - Double four paws prestressing force well cementation earth anchor - Google Patents
Double four paws prestressing force well cementation earth anchor Download PDFInfo
- Publication number
- CN205477470U CN205477470U CN201620193183.8U CN201620193183U CN205477470U CN 205477470 U CN205477470 U CN 205477470U CN 201620193183 U CN201620193183 U CN 201620193183U CN 205477470 U CN205477470 U CN 205477470U
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- China
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- anchor fluke
- sliding sleeve
- connecting rod
- anchor
- annular groove
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Abstract
The utility model relates to a well cementation earth anchor technical field is a double four paws prestressing force well cementation earth anchor, it includes coupling, sliding sleeve and body, the right part of coupling inboard left end outside fixed mounting with the body be in the same place, is provided with the outer annular of installing in the left end outside of sliding sleeve, passes through shearing pin nail fixedly connected with holding ring at the outer collar inslot of sliding sleeve, and the left ring groove that the circumference symmetry was provided with about two at least orientations is followed to the outer end seat of holding ring outside the middle part of sliding sleeve on the left end face of body, install left fluke assembly at the left ring inslot, is provided with a left side on the body of corresponding left fluke assembly position and stretches out the hole. The utility model has the advantages of reasonable and compact structure, convenient to use uses through the cooperation of coupling, sliding sleeve, body, left fluke assembly and right fluke assembly, suppresses to press to make left fluke assembly and right fluke assembly open and the wedging stratum, have safe and reliable, tensile strength and big and receive the stratum hole diameter to influence little characteristics, made things convenient for the operation, improved work efficiency.
Description
Technical field
This utility model relates to earth anchor technical field of cementing the well, and is a kind of double four paws special cementing earth anchor.
Background technology
When the solid completion of exploitation of oil-gas field
,
Three-jaw special cementing earth anchor is affected the most by soft formation and stratum hole diameter size during lifting
,
The same cross section of body is equipped with three anchor flukes
,
Tensile strength is more impacted
,
Special soft formation special cementing is undesirable, can not meet existing production requirement.
Summary of the invention
This utility model provides a kind of double four paws special cementing earth anchor, overcomes the deficiency of above-mentioned prior art, and it can effectively solve that the well cementation of existing three-jaw special cementing earth anchor is undesirable and the problem that can not meet existing production requirement.
The technical solution of the utility model is realized by following measures: a kind of double four paws special cementing earth anchor, including box cupling, sliding sleeve and body；It is fixedly installed togather inside the right part of box cupling and outside the left end of body, outer installation annular groove it is provided with outside the left end of sliding sleeve, it is fixedly connected with locating ring by shear pin in the outer installation annular groove of sliding sleeve, the outer end seat of locating ring is on the left side of body, left annular groove it is provided with outside the middle part of sliding sleeve, the left anchor fluke assembly of at least two it is symmetrically installed with in left annular groove, it is provided with a left side on the body of corresponding left anchor fluke assembly position and stretches out hole, right annular groove it is provided with outside the right part of sliding sleeve, the right anchor fluke assembly of at least two it is symmetrically installed with in right annular groove, left anchor fluke assembly and right anchor fluke assembly are staggered, it is provided with the right side on the body of corresponding right anchor fluke assembly position and stretches out hole, sealing ring integrally it is fixed with inside the right part of body, the right-hand member of sliding sleeve is sleeved on the inner side of sealing ring.
Be presented herein below to above-mentioned utility model technical scheme optimize further or
/
And improvement:
Above-mentioned in left annular groove, it is symmetrically installed with two left anchor fluke assemblies, it is provided with a left side on the body of corresponding left anchor fluke assembly position and stretches out hole, two right anchor fluke assemblies it are symmetrically installed with in right annular groove, left anchor fluke assembly and adjacent right anchor fluke assembly are at right angles and are staggered, and the body of corresponding right anchor fluke assembly position is provided with the right side and stretches out hole.
Above-mentioned left anchor fluke assembly includes left anchor fluke and left connecting rod；Left part at sliding sleeve is symmetrically arranged with two left connecting rod mounting grooves connected with left annular groove, the left part of left connecting rod is arranged in left connecting rod mounting groove by left pitman shaft, the two ends of left pitman shaft are fixedly mounted on the sliding sleeve of correspondence, the right part of left anchor fluke is arranged on the right part of left annular groove by left anchor fluke axle, the two ends of left anchor fluke axle are fixedly mounted on the body of correspondence, the left part of left anchor fluke is positioned at a left side and stretches out outside hole, and the right part of left connecting rod and the middle inside of left anchor fluke are linked together by axle；Right anchor fluke assembly includes right anchor fluke and right connecting rod；Two right connecting rod mounting grooves connected with right annular groove it are symmetrically arranged with at the middle part of sliding sleeve, the left part of right connecting rod is arranged in right connecting rod mounting groove by right connecting rod axle, the two ends of right connecting rod axle are fixedly mounted on the sliding sleeve of correspondence, the right part of right anchor fluke is arranged on the right part of right annular groove by right anchor fluke axle, the two ends of right anchor fluke axle are fixedly mounted on the body of correspondence, the left part of right anchor fluke is positioned at the right side and stretches out outside hole, and the right part of right connecting rod and the middle inside of right anchor fluke are linked together by axle.
The above-mentioned inside middle portion at left anchor fluke is provided with left inside mounting groove, and the right part of left connecting rod is positioned at left inside mounting groove and is linked together by axle and left anchor fluke；Mounting groove in the inside middle portion of right anchor fluke is provided with the right side, the right part of right connecting rod is positioned at right side mounting groove and is linked together by axle and right anchor fluke.
Above-mentioned being provided with inner groove inside the left part of sliding sleeve, the left part medial surface of sliding sleeve is left wide right narrow inclined-plane.
The above-mentioned right part at body has female thread or external screw thread.
Above-mentioned box cupling and body are threadably secured and are installed together；Between the left part and body of sliding sleeve, sealing ring the most together is installed, sealing ring the most together is installed between sealing ring and sliding sleeve.
This utility model reasonable and compact in structure, easy to use, by box cupling, sliding sleeve, body, left anchor fluke assembly and right anchor fluke assembly with the use of, build the pressure and make left anchor fluke assembly and right anchor fluke assembly open and wedging stratum；There is safe and reliable, tensile strength big and affected little feature by stratum hole diameter, facilitate operation, improve work efficiency.
Accompanying drawing explanation
Accompanying drawing
1
Master for this utility model most preferred embodiment regards half section structural representation.
Accompanying drawing
2
For accompanying drawing
1
's
A-A
To sectional structure schematic diagram.
Accompanying drawing
3
For accompanying drawing
1
Master after rotated ninety degrees regards half section structural representation.
Accompanying drawing
4
For accompanying drawing
3
's
B-B
To sectional structure schematic diagram.
Coding in accompanying drawing is respectively as follows:
1
For box cupling,
2
For sliding sleeve,
3
For body,
4
For shear pin,
5
For locating ring,
6
For left annular groove,
7
Hole is stretched out for a left side,
8
For right annular groove
,
9
Hole is stretched out for the right side,
10
For sealing ring,
11
For left anchor fluke,
12
For left connecting rod,
13
For left pitman shaft,
14
For left anchor fluke axle,
15
For right anchor fluke,
16
For right connecting rod,
17
For right connecting rod axle,
18
For right anchor fluke axle,
19
For left inside mounting groove,
20
For mounting groove in the right side,
21
For inner groove,
22
For left connecting rod mounting groove,
23
For right connecting rod mounting groove,
24
For sealing ring.
Detailed description of the invention
This utility model is not limited by following embodiment, can determine specific embodiment according to the technical solution of the utility model and practical situation.
In this utility model, for the ease of describing, the description of the relative position relation of each parts is all according to Figure of description
1
Butut mode be described, such as: the position relationship of forward and backward, upper and lower, left and right etc. is based on Figure of description
1
Butut direction determine.
Below in conjunction with embodiment and accompanying drawing, this utility model is further described:
Such as accompanying drawing
1
、
2
、
3
、
4
Shown in, this double four paws special cementing earth anchor includes box cupling
1
, sliding sleeve
2
And body
3
；Box cupling
1
Right part inside and body
3
Left end outside be fixedly installed togather, at sliding sleeve
2
Left end outside be provided with outer installation annular groove, at sliding sleeve
2
Outer installation annular groove in pass through shear pin
4
It is fixedly connected with locating ring
5
, locating ring
5
Outer end seat at body
3
Left side on, at sliding sleeve
2
Middle part outside be provided with left annular groove
6
, at left annular groove
6
Inside it is symmetrically installed with the left anchor fluke assembly of at least two, the body of corresponding left anchor fluke assembly position
3
On be provided with a left side and stretch out hole
7
, at sliding sleeve
2
Right part outside be provided with right annular groove
8
, at right annular groove
8
Inside it is symmetrically installed with the right anchor fluke assembly of at least two, left anchor fluke assembly and right anchor fluke assembly to be staggered, the body of corresponding right anchor fluke assembly position
3
On be provided with the right side and stretch out hole
9
, at body
3
Right part inside be integrally fixed with sealing ring
10
, sliding sleeve
2
Right-hand member be sleeved on sealing ring
10
Inner side.So, box cupling is passed through
1
, sliding sleeve
2
, body
3
, left anchor fluke assembly and right anchor fluke assembly with the use of, build the pressure and make left anchor fluke assembly and right anchor fluke assembly open and wedging stratum；There is safe and reliable, tensile strength big and affected little feature by stratum hole diameter, facilitate operation, improve work efficiency.
Can according to actual needs, make above-mentioned double four paws special cementing earth anchor to optimize further or
/
And improvement:
Such as accompanying drawing
1
、
3
Shown in, at left annular groove
6
Inside it is symmetrically installed with two left anchor fluke assemblies, the body of corresponding left anchor fluke assembly position
3
On be provided with a left side and stretch out hole
7
, at right annular groove
8
Inside it is symmetrically installed with two right anchor fluke assemblies, left anchor fluke assembly and adjacent right anchor fluke assembly to be at right angles and be staggered, the body of corresponding right anchor fluke assembly position
3
On be provided with the right side and stretch out hole
9
.So, building the pressure and make left anchor fluke assembly and right anchor fluke assembly open and energy preferably wedging stratum, tensile strength is big, is affected less by stratum hole diameter.
Such as accompanying drawing
1
、
3
Shown in, left anchor fluke assembly includes left anchor fluke
11
With left connecting rod
12
；At sliding sleeve
2
Left part be symmetrically arranged with two with left annular groove
6
The left connecting rod mounting groove of connection
22
, left connecting rod
12
Left part by left pitman shaft
13
It is arranged on left connecting rod mounting groove
22
In, left pitman shaft
13
Two ends be fixedly mounted on correspondence sliding sleeve
2
On, left anchor fluke
11
Right part by left anchor fluke axle
14
It is arranged on left annular groove
6
Right part, left anchor fluke axle
14
Two ends be fixedly mounted on correspondence body
3
On, left anchor fluke
11
Left part be positioned at a left side and stretch out hole
7
Outward, left connecting rod
12
Right part and left anchor fluke
11
Middle inside linked together by axle；Right anchor fluke assembly includes right anchor fluke
15
And right connecting rod
16
；At sliding sleeve
2
Middle part be symmetrically arranged with two with right annular groove
8
The right connecting rod mounting groove of connection
23
, right connecting rod
16
Left part by right connecting rod axle
17
It is arranged on right connecting rod mounting groove
23
In, right connecting rod axle
17
Two ends be fixedly mounted on correspondence sliding sleeve
2
On, right anchor fluke
15
Right part by right anchor fluke axle
18
It is arranged on right annular groove
8
Right part, right anchor fluke axle
18
Two ends be fixedly mounted on correspondence body
3
On, right anchor fluke
15
Left part be positioned at the right side and stretch out hole
9
Outward, right connecting rod
16
Right part and right anchor fluke
15
Middle inside linked together by axle.So, sliding sleeve
2
On left connecting rod mounting groove
22
It is easily installed left connecting rod
12
, left annular groove
6
It is easily installed left anchor fluke
11
；Sliding sleeve
2
On right connecting rod mounting groove
23
It is easily installed right connecting rod
16
, right annular groove
8
It is easily installed right anchor fluke
15
。
Such as accompanying drawing
1
、
2
、
3
、
4
Shown in, at left anchor fluke
11
Inside middle portion be provided with left inside mounting groove
19
, left connecting rod
12
Right part be positioned at left inside mounting groove
19
In and pass through axle and left anchor fluke
11
Link together；At right anchor fluke
15
Inside middle portion be provided with mounting groove in the right side
20
, right connecting rod
16
Right part be positioned at right side mounting groove
20
In and pass through axle and right anchor fluke
15
Link together.So, it is simple to left anchor fluke
11
With left connecting rod
12
Between connection；It is easy to right anchor fluke
15
And right connecting rod
16
Between connection.
Such as accompanying drawing
1
、
3
Shown in, at sliding sleeve
2
Left part inside be provided with inner groove
21
, sliding sleeve
2
Left part medial surface be left wide right narrow inclined-plane.So, it is simple to cementing plug carries out pressure of spraining.
Such as accompanying drawing
1
、
3
Shown in, at body
3
Right part have female thread or external screw thread.So, it is simple to body
3
Installation and removal.
Such as accompanying drawing
1
、
3
Shown in, box cupling
1
And body
3
It is threadably secured and is installed together；At sliding sleeve
2
Left part and body
3
Between be provided with at least one sealing ring
24
, at sealing ring
10
And sliding sleeve
2
Between be provided with at least one sealing ring
24
.So, box cupling
1
And body
3
It is threadably secured to be installed together and is easy to box cupling
1
And body
3
Installation and removal；Sealing ring
24
It is easy to sliding sleeve
2
And body
3
Between sealing, sealing ring
10
And sliding sleeve
2
Between sealing.
Above technical characteristic constitutes most preferred embodiment of the present utility model, and it has stronger adaptability and optimal implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
The use process of this utility model most preferred embodiment: during use, moves upwards through box cupling by this utility model left end
1
Being fixedly mounted on completion tubular string, completion tubular string, down to after design attitude during solid completion, comes downwards to sliding sleeve with cementing plug
2
On, sprain and be depressed into design pressure value, cut off locating ring
5
And sliding sleeve
2
The shear pin connected
4
, make sliding sleeve
2
Opposing body
3
Move down, sliding sleeve
2
Left connecting rod in moving process
12
Promote left anchor fluke
11
Make left anchor fluke
11
Open, right connecting rod
16
Promote right anchor fluke
15
Make right anchor fluke
15
Open, now upwards lift pipe string, Shi Hanzhang with rig, make left anchor fluke
11
With right anchor fluke
15
Wedging stratum；This utility model more existing three-jaw special cementing earth anchor is more preferable to the well effect that soft formation, the irregular well of the borehole wall and Shi Hanzhang are high.
Claims (10)
1. a double four paws special cementing earth anchor, it is characterised in that include box cupling, sliding sleeve and body；It is fixedly installed togather inside the right part of box cupling and outside the left end of body, outer installation annular groove it is provided with outside the left end of sliding sleeve, it is fixedly connected with locating ring by shear pin in the outer installation annular groove of sliding sleeve, the outer end seat of locating ring is on the left side of body, left annular groove it is provided with outside the middle part of sliding sleeve, the left anchor fluke assembly of at least two it is symmetrically installed with in left annular groove, it is provided with a left side on the body of corresponding left anchor fluke assembly position and stretches out hole, right annular groove it is provided with outside the right part of sliding sleeve, the right anchor fluke assembly of at least two it is symmetrically installed with in right annular groove, left anchor fluke assembly and right anchor fluke assembly are staggered, it is provided with the right side on the body of corresponding right anchor fluke assembly position and stretches out hole, sealing ring integrally it is fixed with inside the right part of body, the right-hand member of sliding sleeve is sleeved on the inner side of sealing ring.
Double four paws special cementing earth anchor the most according to claim 1, two left anchor fluke assemblies it are symmetrically installed with in it is characterized in that left annular groove, it is provided with a left side on the body of corresponding left anchor fluke assembly position and stretches out hole, two right anchor fluke assemblies it are symmetrically installed with in right annular groove, left anchor fluke assembly and adjacent right anchor fluke assembly are at right angles and are staggered, and the body of corresponding right anchor fluke assembly position is provided with the right side and stretches out hole.
Double four paws special cementing earth anchor the most according to claim 1 and 2, it is characterised in that left anchor fluke assembly includes left anchor fluke and left connecting rod；Left part at sliding sleeve is symmetrically arranged with two left connecting rod mounting grooves connected with left annular groove, the left part of left connecting rod is arranged in left connecting rod mounting groove by left pitman shaft, the two ends of left pitman shaft are fixedly mounted on the sliding sleeve of correspondence, the right part of left anchor fluke is arranged on the right part of left annular groove by left anchor fluke axle, the two ends of left anchor fluke axle are fixedly mounted on the body of correspondence, the left part of left anchor fluke is positioned at a left side and stretches out outside hole, and the right part of left connecting rod and the middle inside of left anchor fluke are linked together by axle；Right anchor fluke assembly includes right anchor fluke and right connecting rod；Two right connecting rod mounting grooves connected with right annular groove it are symmetrically arranged with at the middle part of sliding sleeve, the left part of right connecting rod is arranged in right connecting rod mounting groove by right connecting rod axle, the two ends of right connecting rod axle are fixedly mounted on the sliding sleeve of correspondence, the right part of right anchor fluke is arranged on the right part of right annular groove by right anchor fluke axle, the two ends of right anchor fluke axle are fixedly mounted on the body of correspondence, the left part of right anchor fluke is positioned at the right side and stretches out outside hole, and the right part of right connecting rod and the middle inside of right anchor fluke are linked together by axle.
Double four paws special cementing earth anchor the most according to claim 3, it is characterised in that the inside middle portion of left anchor fluke is provided with left inside mounting groove, the right part of left connecting rod is positioned at left inside mounting groove and is linked together by axle and left anchor fluke；Mounting groove in the inside middle portion of right anchor fluke is provided with the right side, the right part of right connecting rod is positioned at right side mounting groove and is linked together by axle and right anchor fluke.
5., according to the double four paws special cementing earth anchor described in claim 1 or 2 or 4, it is characterised in that be provided with inner groove inside the left part of sliding sleeve, the left part medial surface of sliding sleeve is left wide right narrow inclined-plane.
Double four paws special cementing earth anchor the most according to claim 3, it is characterised in that be provided with inner groove inside the left part of sliding sleeve, the left part medial surface of sliding sleeve is left wide right narrow inclined-plane.
7. according to the double four paws special cementing earth anchor described in claim 1 or 2 or 4 or 6, it is characterised in that the right part of body has female thread or external screw thread.
Double four paws special cementing earth anchor the most according to claim 5, it is characterised in that the right part of body has female thread or external screw thread.
9. according to the double four paws special cementing earth anchor described in claim 1 or 2 or 4 or 6 or 8, it is characterised in that box cupling and body are threadably secured and are installed together；Between the left part and body of sliding sleeve, sealing ring the most together is installed, sealing ring the most together is installed between sealing ring and sliding sleeve.
Double four paws special cementing earth anchor the most according to claim 7, it is characterised in that box cupling and body are threadably secured and are installed together；Between the left part and body of sliding sleeve, sealing ring the most together is installed, sealing ring the most together is installed between sealing ring and sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193183.8U CN205477470U (en) | 2016-03-14 | 2016-03-14 | Double four paws prestressing force well cementation earth anchor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193183.8U CN205477470U (en) | 2016-03-14 | 2016-03-14 | Double four paws prestressing force well cementation earth anchor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205477470U true CN205477470U (en) | 2016-08-17 |
Family
ID=56656357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620193183.8U Active CN205477470U (en) | 2016-03-14 | 2016-03-14 | Double four paws prestressing force well cementation earth anchor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205477470U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882106A (en) * | 2019-03-26 | 2019-06-14 | 西华大学 | A kind of measurement while drilling efficiently enters well-fishing tool |
-
2016
- 2016-03-14 CN CN201620193183.8U patent/CN205477470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882106A (en) * | 2019-03-26 | 2019-06-14 | 西华大学 | A kind of measurement while drilling efficiently enters well-fishing tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201117 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 830026 science and technology management division, West drilling and Drilling Engineering Institute, No. 326 South Central Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region, China Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |
|
| TR01 | Transfer of patent right |