CN209308659U - One kind can bore bridge plug sleeve-milling and salvage integration tool - Google Patents
One kind can bore bridge plug sleeve-milling and salvage integration tool Download PDFInfo
- Publication number
- CN209308659U CN209308659U CN201822182328.6U CN201822182328U CN209308659U CN 209308659 U CN209308659 U CN 209308659U CN 201822182328 U CN201822182328 U CN 201822182328U CN 209308659 U CN209308659 U CN 209308659U
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- Prior art keywords
- fishing
- spear
- bridge plug
- block
- milling
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Abstract
Can bore bridge plug sleeve-milling to salvage integration tool the utility model discloses one kind includes top connection, equipped with set milling apparatus below top connection, the set milling apparatus includes casing section mill, milling head is equipped in the lower end of casing section mill, the fishing device connecting with top connection is additionally provided in casing section mill, the fishing device includes spear-head, it is connected with spear-head, spear-head is set to extend the spearhead connecting rod of casing section mill lower edge, and spearhead connecting rod is made to be connected with top connection, the fishing spear connector for preventing spear-head from rotating with casing section mill, the casing section mill is connect by fishing spear connector housing with top connection, the fixed annular groove of fishing spear connector is equipped in the inner wall of fishing spear connector housing, fishing spear connector is fixed in the fixed annular groove of fishing spear connector by bearing.This, which can bore bridge plug sleeve-milling, which salvages integration tool one-stop operation, to remove that can bore bridge plug brill, and the bridge plug remains that bore after set milling are salvaged well, have many advantages, such as that structure is simple, easy for construction, fishing success ratio is high.
Description
Technical field
The utility model relates to the unsealing tool that one kind can bore bridge plug, especially one kind can once complete that bridge plug sleeve can be bored
Milling bores bridge plug unsealing tool with fishing.
Background technique
With the popularization and use that can bore bridge plug, often will appear in a well from top to bottom with the feelings of multiple bridge plug sealings
Condition.It is in the prior art bore bridge plug unsealing tool only and have the function of bore except being salvaged without the bridge plug that bores after boring
The function of well, therefore, when that can bore bridge plug deblocking operation to top, the remains that bridge plug quilt cover milling in top is bored after grinding can fall to it
Lower section is bored on bridge plug, and the underlying bridge plug that bores is caused to be difficult to unseal.
Utility model content
Utility model technical problems to be solved are: bridge plug sleeve-milling salvaging integration tool can be bored by providing one kind, this can bore bridge
Plug sleeve milling is salvaged integration tool one-stop operation and can be removed that can bore bridge plug brill, and the bridge plug remains that bore after set milling are salvaged
Well has many advantages, such as that structure is simple, easy for construction, fishing success ratio is high.
The technical solution adopted for solving the technical problem: one kind can bore bridge plug sleeve-milling and salvage integration tool, including top connection,
Equipped with set milling apparatus below top connection, the set milling apparatus includes casing section mill, is equipped with milling head in the lower end of casing section mill, is covering
It is additionally provided with the fishing device connecting with top connection in milling cylinder, the fishing device includes spear-head, be connected with spear-head,
So that spear-head is extended the spearhead connecting rod of casing section mill lower edge, and make that spearhead connecting rod is connected with top connection, prevent from salvaging
The fishing spear connector that spearhead is rotated with casing section mill.
Improvement as the utility model: the casing section mill is connect by fishing spear connector housing with top connection, is being salvaged
The inner wall of lance connector housing is equipped with the fixed annular groove of fishing spear connector, and fishing spear connector is fixed on fishing spear connector by bearing and fixes
In annular groove.
As further improvement of the utility model: being equipped with and the fixed annular groove phase of fishing spear connector in fishing spear upper end of joint
The limit baffle ring of cooperation is equipped with thrust ball bearing between limit baffle ring lower end surface and the fixed annular groove upper surface of fishing spear connector.
Further improvement as the utility model: the spear-head includes the spearhead main body of bullet shape, in lance
Multiple equiangularly arranged fishing block installation keyways are provided in head main body, spearhead main body diameter can be prolonged by being provided in fishing block installation keyway
To mobile elasticity fishing block, it is additionally provided in fishing block installation keyway and elasticity fishing block is pushed outwardly, elasticity fishing block is made to protrude from lance
The fishing block spring of head body surfaces is equipped with the guidance conical surface in the outer surface of activity fishing block lower end, and being equipped in activity fishing block upper end will
The central tube that bridge plug central tube hooks upwards from lower end can be bored and hook chuck.
Further improvement as the utility model: being equipped at fishing block installation keyway both ends prevents elasticity fishing block to be detached from fishing
The both ends of the limit plate of block mounting groove, elasticity fishing block are equipped with the limited block matched with postive stop baffle.
Preferred plan as the utility model: two fishing blocks are axially arranged with along spearhead main body in each fishing block mounting groove
Spring.
The utility model has the advantages that the bridge plug sleeve-milling that bores of the utility model salvages integration tool, due to that can bore bridge plug using described
It includes top connection that integration tool is salvaged in set milling, and equipped with set milling apparatus below top connection, the set milling apparatus includes casing section mill,
The lower end of casing section mill is equipped with milling head, and the fishing device connecting with top connection, the fishing device packet are additionally provided in casing section mill
Spear-head is included, the spearhead connecting rod for being connected with spear-head, spear-head being made to extend casing section mill lower edge, and connect spearhead
The technical solution of fishing spear connector that bar is connected with top connection, preventing spear-head from rotating with casing section mill, by being milled in set
Fishing device is installed in cylinder, in it can bore bridge plug deblocking operation process, covers milling apparatus to upper cone, upper slips, packing element, lower cone
And lower slips
While carrying out set milling operation, fishing device catches the central tube that can bore bridge plug completely, when set milling apparatus will
It can bore after the upper cone of bridge plug, upper slips, packing element, lower cone and lower slips brill remove, bridge plug can be bored and set the attachment on casing
Power is all released from, and is pulled out from well at this point, upper lifting pipe post can bore bridge plug.Also, casing section mill during covering milling
Rotation and fishing device will not be rotated with casing section mill, fishing device can be prevented during covering milling impaired and influence to salvage effect
Fruit.Therefore, the utility model bore bridge plug sleeve-milling salvage integration tool one-stop operation can bore bridge plug brill remove, and will
The bridge plug remains that bore after set milling salvage well, have many advantages, such as that structure is simple, easy for construction, fishing success ratio is high.Due to adopting
It is connect by fishing spear connector housing with top connection with the casing section mill, is equipped with fishing spear in the inner wall of fishing spear connector housing
Connector fixes annular groove, and fishing spear connector is fixed on the technical characteristic in the fixed annular groove of fishing spear connector by bearing, makes to salvage dress
Set with top connection, casing section mill be connected and fixed it is more convenient.It is equipped with and fishing spear connector due to using in fishing spear upper end of joint
The limit baffle ring that fixed annular groove matches is equipped between limit baffle ring lower end surface and the fixed annular groove upper surface of fishing spear connector and pushes away
The technical characteristic of power ball bearing, make fishing spear it is upper propose operation when bearing capacity it is stronger, can prevent can during upper mention
The remains for boring bridge plug, which are hampered, to fall off, and improves the reliability of salvaging.It include bullet shape due to using the spear-head
Spearhead main body is provided with multiple equiangularly arranged fishing block installation keyways in spearhead main body, and being provided in fishing block installation keyway can
To prolong the elasticity fishing block that spearhead main body moves radially, it is additionally provided in fishing block installation keyway and elasticity fishing block is pushed outwardly, makes bullet
Property fishing block protrude from the fishing block springs of spearhead body surfaces, the guidance conical surface is equipped in the outer surface of activity fishing block lower end, in activity
Fishing block upper end is equipped with and will can bore the central tube that bridge plug central tube hooks upwards from lower end and hook chuck technical characteristic, bullet when work
After the spearhead main body of shape passes through the central tube that can bore bridge plug, elasticity fishing block protrudes from spearhead master under the action of the spring
Body surface face, the central tube of elasticity fishing block upper end hook chuck and realize hook capture to the central tube lower edge that can bore bridge plug, therefore, make
Having higher success rate for bridge plug capture can be bored by obtaining, and elasticity fishing block is more firm to the hook of central tube when that will can bore bridge plug remains and above mention
Gu.The limit plate for preventing elasticity fishing block to be detached from fishing block mounting groove, elasticity fishing are equipped at fishing block installation keyway both ends due to using
The both ends of block are equipped with the technical characteristic of the limited block matched with postive stop baffle, and elasticity fishing block can be effectively prevented in operation process
Middle stress damage, so that the better reliability of spear-head, and can repeatedly use.Pacify due to using in each fishing block
The technical characteristic of two fishing block springs is axially arranged in tankage along spearhead main body, keeps the radial relaxation for fishing out block more stable, fishes out block
Central tube hook chuck be bonded with the edge that can bore bridge plug central tube hook effect it is more preferable, above mention operation process bridge plug can be bored
In, block stress is fished out more evenly, to guarantee that can bore bridge plug remains can smoothly above be mentioned to outside well.
Detailed description of the invention
The bridge plug sleeve-milling salvaging integration tool that bores of the utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is that the bridge plug sleeve-milling that bores of the utility model salvages integration tool axial section structure chart.
Specific embodiment
As shown in Figure 1, the bridge plug sleeve-milling salvaging integration tool that bores of the utility model includes top connection 1, under top connection
Equipped with set milling apparatus, the set milling apparatus includes casing section mill 8 for side, milling head 10 is equipped in the lower end of casing section mill, in casing section mill
It is additionally provided with the fishing device connecting with top connection, the fishing device includes spear-head, is connected with spear-head, makes to salvage
Spearhead extends the spearhead connecting rod 9 of casing section mill lower edge, and make that spearhead connecting rod is connected with top connection, prevent spear-head with
The fishing spear connector 5 of casing section mill rotation, spear-head passes through from top to bottom after the length of spearhead connecting rod should at least meet set milling
The central tube that bridge plug can be bored is captured from the lower edge that can bore bridge plug central tube.
Preferably, the casing section mill is connect by fishing spear connector housing 7 with top connection, in fishing spear connector housing
Wall is equipped with the fixed annular groove 3 of fishing spear connector, and fishing spear connector is fixed in the fixed annular groove of fishing spear connector by bearing 2, is being beaten
Fishing lance upper end of joint is equipped with the limit baffle ring 4 matched with the fixed annular groove of fishing spear connector, in limit baffle ring lower end surface and salvages
Lance connector is equipped with thrust ball bearing 6 between fixed annular groove upper surface.
The spear-head includes the spearhead main body 11 of bullet shape, is provided in spearhead main body multiple equiangularly arranged
It fishes out block and keyway 12 is installed, the elasticity fishing block 18 that can prolong spearhead main body and move radially is provided in fishing block installation keyway, in fishing block
The fishing block spring 14 that elasticity fishing block is pushed outwardly, elasticity fishing block is made to protrude from spearhead body surfaces is additionally provided in installation keyway,
It is equipped with the guidance conical surface 15 in the outer surface of activity fishing block lower end, bridge plug central tube can be bored from lower end by being equipped in activity fishing block upper end
The central tube hooked upwards hooks chuck 13, and being equipped at fishing block installation keyway both ends prevents elasticity fishing block to be detached from fishing block mounting groove
The both ends of limit plate 16, elasticity fishing block are equipped with the limited block 17 matched with postive stop baffle, along lance in each fishing block mounting groove
Head main body is axially arranged with two fishing block springs.The height that elasticity fishing block protrudes from spearhead body surfaces should meet only one elasticity
The prominent energy of fishing block can bore bridge plug central tube and steadily hook.
Claims (6)
1. one kind can bore bridge plug sleeve-milling and salvage integration tool, including top connection, equipped with set milling apparatus, the set below top connection
Milling apparatus includes casing section mill, is equipped with milling head in the lower end of casing section mill, connects it is characterized in that: being additionally provided in casing section mill with top connection
The fishing device connect, the fishing device include spear-head, are connected with spear-head, spear-head is made to extend casing section mill
The spearhead connecting rod of lower edge, and make salvaging that spearhead connecting rod is connected with top connection, preventing spear-head from rotating with casing section mill
Lance connector.
2. the bridge plug sleeve-milling according to claim 1 that bores salvages integration tool, it is characterized in that: the casing section mill passes through salvaging
Lance connector housing is connect with top connection, is equipped with the fixed annular groove of fishing spear connector in the inner wall of fishing spear connector housing, fishing spear connects
Head is fixed in the fixed annular groove of fishing spear connector by bearing.
3. the bridge plug sleeve-milling according to claim 2 that bores salvages integration tool, it is characterized in that: setting in fishing spear upper end of joint
There is the limit baffle ring matched with the fixed annular groove of fishing spear connector, on limit baffle ring lower end surface and the fixed annular groove of fishing spear connector
Thrust ball bearing is equipped between end face.
4. the bridge plug sleeve-milling according to any one of claims 1 to 3 that bores salvages integration tool, it is characterized in that: the salvaging
Spearhead includes the spearhead main body of bullet shape, and multiple equiangularly arranged fishing block installation keyways are provided in spearhead main body, are being fished out
Block installation keyway, which is provided with, can prolong the elasticity fishing block that spearhead main body moves radially, and being additionally provided in fishing block installation keyway will be elastic
The fishing block spring that fishing block is pushed outwardly, elasticity fishing block is made to protrude from spearhead body surfaces is set in the outer surface of activity fishing block lower end
There is the guidance conical surface, the central tube hook chuck that will can be bored bridge plug central tube and hook upwards from lower end is equipped in activity fishing block upper end.
5. the bridge plug sleeve-milling according to claim 4 that bores salvages integration tool, it is characterized in that: installing keyway both ends in fishing block
Equipped with the limit plate for preventing elasticity fishing block to be detached from fishing block mounting groove, the both ends of elasticity fishing block are equipped with the limit matched with postive stop baffle
Position block.
6. the bridge plug sleeve-milling according to claim 5 that bores salvages integration tool, it is characterized in that: in each fishing block mounting groove
Two fishing block springs are axially arranged with along spearhead main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822182328.6U CN209308659U (en) | 2018-12-25 | 2018-12-25 | One kind can bore bridge plug sleeve-milling and salvage integration tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822182328.6U CN209308659U (en) | 2018-12-25 | 2018-12-25 | One kind can bore bridge plug sleeve-milling and salvage integration tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209308659U true CN209308659U (en) | 2019-08-27 |
Family
ID=67678518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822182328.6U Active CN209308659U (en) | 2018-12-25 | 2018-12-25 | One kind can bore bridge plug sleeve-milling and salvage integration tool |
Country Status (1)
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|---|---|
| CN (1) | CN209308659U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607308A (en) * | 2020-12-08 | 2022-06-10 | 中国石油天然气股份有限公司 | Bridge plug fishing tool |
| CN114991695A (en) * | 2022-06-21 | 2022-09-02 | 中煤科工集团重庆研究院有限公司 | Self-locking drill rod fishing tool |
-
2018
- 2018-12-25 CN CN201822182328.6U patent/CN209308659U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114607308A (en) * | 2020-12-08 | 2022-06-10 | 中国石油天然气股份有限公司 | Bridge plug fishing tool |
| CN114607308B (en) * | 2020-12-08 | 2023-12-22 | 中国石油天然气股份有限公司 | Bridge plug fishing tool |
| CN114991695A (en) * | 2022-06-21 | 2022-09-02 | 中煤科工集团重庆研究院有限公司 | Self-locking drill rod fishing tool |
| CN114991695B (en) * | 2022-06-21 | 2023-11-03 | 中煤科工集团重庆研究院有限公司 | Self-locking type drill rod fishing tool |
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