CN220151290U - Casing centralizing and clamping device - Google Patents
Casing centralizing and clamping device Download PDFInfo
- Publication number
- CN220151290U CN220151290U CN202321498184.XU CN202321498184U CN220151290U CN 220151290 U CN220151290 U CN 220151290U CN 202321498184 U CN202321498184 U CN 202321498184U CN 220151290 U CN220151290 U CN 220151290U
- Authority
- CN
- China
- Prior art keywords
- pipe
- nut
- annular plate
- threaded
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 238000007790 scraping Methods 0.000 description 39
- 238000005553 drilling Methods 0.000 description 12
- 238000007599 discharging Methods 0.000 description 8
- 230000011218 segmentation Effects 0.000 description 8
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model provides a sleeve centralizing and clamping device which comprises a drill rod, a sleeve, a mounting bracket and at least three adjusting components, wherein the at least three adjusting components are respectively arranged on the mounting bracket, and the at least three adjusting components are arranged around the sleeve centralizing and clamping device; the mounting bracket comprises a first through hole, the sleeve is penetrated in the first through hole, and the drill rod is penetrated in the sleeve; the adjusting component comprises an adjusting screw rod, an installing pipe and a threaded pipe, the installing pipe is fixedly connected with the installing support, the axis of the installing pipe is vertical to the axis of the first through hole, an internal thread matched with the adjusting screw rod is arranged in the threaded pipe, the threaded pipe and the installing pipe are coaxially arranged, the threaded pipe is slidably arranged in the installing pipe, the cambered surface of the top of the adjusting component is contacted with the outer side wall of the sleeve, and the adjusting screw rod is in threaded connection with the threaded pipe; in the process of rotating the adjusting screw, the adjusting screw drives the threaded pipe to move along the axis of the mounting pipe. The scheme provided by the embodiment of the utility model can solve the problem of centralizing the casing in the prior art.
Description
Technical Field
The utility model relates to the technical field of petroleum drilling, in particular to a casing centralizing and clamping device.
Background
Drilling is the process of drilling a formation into a cylindrical borehole of a certain depth from the surface to the subsurface using mechanical equipment and related techniques. Petroleum drilling is a drilling process for the purpose of finding hydrocarbon substances such as oil and gas. The ground casing righting and tightening device can perfectly adjust the coaxiality of the casing and the wellhead, and after the casing is put down, cement is squeezed to fill the void space, so that the collapse of the well wall and the fluid serial grooves at different positions in the well shaft are prevented, and a foundation is laid for subsequent oil gas testing and development.
Disclosure of Invention
The embodiment of the utility model aims to provide a sleeve centralizing and clamping device which can solve the problem of centralizing a sleeve in the prior art.
In order to solve the technical problems, the utility model is realized as follows:
the embodiment of the utility model provides a sleeve centralizing and clamping device, which comprises the following components: the drilling device comprises a drilling rod, a sleeve, a mounting bracket and at least three adjusting components, wherein the at least three adjusting components are respectively arranged on the mounting bracket, and the at least three adjusting components are arranged around the sleeve;
the mounting bracket comprises a first through hole, the sleeve is arranged in the first through hole in a penetrating mode, and the drill rod is arranged in the sleeve in a penetrating mode;
the adjusting component comprises an adjusting screw, an installing pipe and a threaded pipe, wherein the installing pipe is fixedly connected with the installing support, the axis of the installing pipe is vertical to the axis of the first through hole, an internal thread matched with the adjusting screw is arranged in the threaded pipe, the threaded pipe is coaxially arranged with the installing pipe, the threaded pipe is slidably arranged in the installing pipe, the cambered surface of the top of the adjusting component is contacted with the outer side wall of the sleeve, and the adjusting screw is in threaded connection with the threaded pipe;
in the process of rotating the adjusting screw, the adjusting screw drives the threaded pipe to move along the axis of the installation pipe.
In the embodiment of the utility model, the plug is pushed or retracted by rotating the adjusting handle, the outer diameter of the first nut is in threaded fit with the bracket, and the first nut is fixed by the inner hexagon screw. The upper screw thread of the adjusting handle is provided with a groove from the middle, one end close to the handle is a right-handed screw thread, the other end is a left-handed screw thread, the inner screw thread of the second nut is a left-handed screw, the outer diameter is smooth and in clearance fit with the inner diameter of the bracket, the outer diameter of the second nut is provided with a through square groove along the axial direction, and the guide locking screw penetrates into the square groove on the outer side surface of the second nut, so that the plug is extended and retracted but not rotated when the adjusting handle is rotated. The plug is connected with the end part of the second nut through threads. The casing centralizing and clamping device is arranged at a wellhead in advance and matched with an oil drilling platform to be used, a drill rod is pulled in the drilling process to scrape off mud attached to the drill rod, and the mud is discharged through a mud outlet groove of the casing centralizing and clamping device. And in the well cementation process, the casing is put down, and the casing centralizing and clamping device can centralize the casing, so that the concentricity of the casing and a well is ensured.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments of the present utility model will be briefly described below.
FIG. 1 is a schematic view of the structure of an adjustment assembly in a casing centralizing clamping device provided by the present disclosure;
FIG. 2 is a schematic top view of a sleeve centering and clamping device provided by the present disclosure;
fig. 3 is a schematic diagram of a front view structure of a mud scraper in a sleeve centering and clamping device provided by the present disclosure;
fig. 4 is a schematic rear view of a scraper in a sleeve centering and clamping device according to the present disclosure;
fig. 5 is a schematic view of a bottom view of a scraper in a sleeve centering and clamping device according to the present disclosure;
FIG. 6 is a schematic top view of a scraper in a bushing centralizing and clamping device according to the present disclosure;
FIG. 7 is a schematic structural view of a sleeve centralizing clamping device provided by the present disclosure;
fig. 8 is a schematic view of a portion of a casing centralizing and clamping device according to the present disclosure.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present utility model may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more.
An embodiment of the present utility model provides a casing centralizing and clamping device, please refer to fig. 1, 7 and 8, which are casing centralizing and clamping devices according to an embodiment of the present utility model, including:
the drilling rod 410, the sleeve 470, the mounting bracket 460 and at least three adjusting assemblies 490, wherein the at least three adjusting assemblies 490 are respectively arranged on the mounting bracket 460, and the at least three adjusting assemblies 490 are arranged around the sleeve 470;
the mounting bracket 460 includes a first through hole, the sleeve 470 is disposed in the first through hole, and the drill pipe 410 is disposed in the sleeve 470 in a penetrating manner;
the adjusting assembly 490 comprises an adjusting screw 100, an installing pipe 130 and a threaded pipe 110, wherein the installing pipe 130 is fixedly connected with the installing bracket 460, the axis of the installing pipe 130 is vertical to the axis of the first through hole, an internal thread matched with the adjusting screw 100 is arranged in the threaded pipe 110, the threaded pipe 110 and the installing pipe 130 are coaxially arranged, the threaded pipe 110 is slidably arranged in the installing pipe 130, the cambered surface of the top of the adjusting assembly is contacted with the outer side wall of the sleeve 470, and the adjusting screw 100 is in threaded connection with the threaded pipe 110;
during the rotation of the adjusting screw 100, the adjusting screw 100 drives the threaded tube 110 to move along the axis of the mounting tube 130.
Referring to fig. 1, 7 and 8, the first through hole is a through hole through which the sleeve 470 is inserted, the first end is a right side of the threaded tube 110, the sleeve 470 has a specification of phi 192, at least three adjusting components 490 are respectively disposed on the mounting bracket 460, and at least three adjusting components 490 are disposed around the sleeve 470; the sleeve 470 is penetrated in the first through hole, and the drill rod 410 is penetrated in the sleeve 470; the specification of the drill rod 410 is phi 102, the sleeve 470 is penetrated in the first through hole, and the drill rod 410 is penetrated in the sleeve 470; the plug 150 is pushed in or retracted by rotating the adjusting handle, the first nut is threaded on the outer diameter and is matched with the bracket, and the first nut is fixed by an inner hexagon screw. The upper screw thread of the adjusting handle is provided with a groove from the middle, one end close to the handle is a right-handed screw thread, the other end is a left-handed screw thread, the inner screw thread of the second nut is a left-handed screw, the outer diameter is smooth and in clearance fit with the inner diameter of the bracket, the outer diameter of the second nut is provided with a through square groove along the axial direction, and the guide locking screw penetrates into the square groove on the outer side surface of the second nut, so that the plug 150 is extended and retracted but not rotated when the adjusting handle is rotated. The plug 150 is threadably connected to the second nut end. The casing centralizing and clamping device is arranged at a wellhead in advance in cooperation with an oil drilling platform, and the drill pipe 410 is pulled in the drilling process to scrape off mud attached to the drill pipe 410 and discharge the mud through a mud outlet groove 450 of the casing centralizing and clamping device. The casing 470 is lowered in the well cementation process, and the casing centering clamping device can center the casing 470, wherein the size of the centering casing 470 is phi 169-phi 254, and concentricity of the casing 470 and a well can be ensured.
In this embodiment, the casing 470 is straightened by the placement of the adjustment assembly 490, the plug 150 is placed against the outer wall of the casing 470, the casing 470 is centered in the wellbore, and cementing is initiated, which ensures that the casing 470 is centered in the wellbore, preventing the occurrence of non-concentricity.
Optionally, the adjusting assembly further comprises a first nut, the first nut comprises an internal thread, and the direction of the internal thread of the first nut is opposite to the direction of the internal thread of the threaded pipe;
the first nut and the mounting pipe are coaxially arranged, the first nut is fixedly arranged in the mounting pipe, and the first nut is positioned at one side of the threaded pipe far away from the sleeve;
the adjusting screw comprises a first section and a second section, the first section is provided with a first external thread matched with the internal thread of the first nut, the second section is provided with a second external thread matched with the internal thread of the threaded pipe, the adjusting screw is respectively arranged in the first nut and the threaded pipe in a penetrating mode, the first section is in threaded connection with the first nut, and the second section is in threaded connection with the threaded pipe.
Referring to fig. 1, the first nut is a right-hand nut, the first nut has an internal thread structure, and the internal thread of the first nut has a thread direction opposite to that of the internal thread of the threaded tube 110; the first nut is coaxially arranged with the mounting tube 130, and is fixedly arranged in the mounting tube 130, and is positioned at one side of the threaded tube 110 far away from the sleeve 470; the first segmentation is the first half of adjusting screw 100, the second segmentation is the second half of adjusting screw 100, adjusting screw 100 is including first segmentation and second segmentation, first segmentation is equipped with the first external screw thread that matches with the internal screw thread of first nut, the second segmentation is equipped with the second external screw thread that matches with the internal screw thread of screwed pipe 110, and adjusting screw 100 wears to locate in first nut and screwed pipe 110 respectively, first segmentation and first nut threaded connection, second segmentation and screwed pipe 110 threaded connection.
In this embodiment, the mounting tube 130 can be better firmly coupled to the threaded tube 110 by providing the internal and external threads on the first nut.
Optionally, the adjusting assembly further comprises a first screw, and the first nut and the mounting tube are fixedly connected through the first screw.
Referring to fig. 1, the first screw 120 is a screw fixedly connected to the threaded tube 110 by a first nut, and the adjusting assembly 490 further includes the first screw 120, wherein the first nut is fixedly connected to the mounting tube 130 by the first screw 120.
In this embodiment, the mounting tube 130 is fixed to the threaded tube 110 by providing the first screw 120.
Optionally, the adjusting component further comprises a second screw, the section of the outer side wall of the threaded pipe is regular quadrangle, a second through hole is formed in the side wall of the mounting pipe, the second screw is fixed in the second through hole, and the end part of the second screw abuts against the bottom of the long groove of the threaded pipe.
Referring to fig. 1, the second screw 140 is a screw inserted into the mounting tube 130, the second through hole is a through hole formed in the mounting tube 130, the cross section of the outer sidewall of the threaded tube 110 is regular polygon, the sidewall of the mounting tube 130 is provided with the second through hole, the second screw 140 is fixed in the second through hole, and the end of the second screw 140 abuts against the bottom of the long groove of the threaded tube 110.
In this embodiment, the second screw 140 is inserted into the square hole groove to guide the adjustment handle when rotating, so that the plug 150 is extended and retracted but not rotated.
Optionally, the first nut further comprises an external thread, and the first nut is in threaded connection with the mounting tube. Referring to fig. 1, the first nut has an external thread on the outer side, and is screwed with the mounting tube 130.
In this embodiment, the external thread of the first nut can be well firmly connected with the mounting tube 130.
Optionally, the screwed pipe includes screw thread body and top, the one end of top with the one end fixed connection of screwed pipe, the second end of top be equipped with the arcwall face of sheathed tube outer wall matching, the arcwall face of top with sheathed tube outer wall contacts.
Referring to fig. 1, 7 and 8, the threaded pipe 110 includes a threaded body and a plug 150, one end of the plug 150 is fixedly connected with one end of the threaded pipe 110, a second end of the plug 150 is provided with an arc surface matched with the outer wall of the sleeve 470, and the arc surface of the plug 150 is in contact with the outer wall of the sleeve 470.
In this embodiment, by providing the plug 150, the plug 150 is connected with the threaded pipe 110, during well cementation, the casing 470 can be first lowered into the well hole, then the surface casing 470 is straightened by rotating the adjusting handle, the plug 150 props against the outer wall of the casing 470, the casing 470 is adjusted to the center of the well hole, and then well cementation is started, so that the casing 470 is ensured to be positioned in the center of the well hole, and the phenomenon of non-concentricity is prevented.
Optionally, the mounting bracket includes a first annular plate, a second annular plate, the first annular plate with the coaxial setting of second annular plate, just first through-hole includes the inside through-hole of first annular plate with the inside through-hole of second annular plate, first annular plate with the second annular plate interval sets up.
Referring to fig. 2, 7 and 8, the first annular plate 601 and the second annular plate 602 refer to a large annular plate and a small annular plate respectively, the first annular plate 601 and the second annular plate 602 are coaxially arranged, the first through hole comprises an inner through hole of the first annular plate 601 and an inner through hole of the second annular plate 602, the first annular plate 601 and the second annular plate 602 are arranged at intervals, the mounting bracket 460 is stacked by two large and small annular plates, 3 groups of adjusting component seats are welded in the middle of the two large and small annular plates and are uniformly arranged, the adjusting components 490 are mounted on the adjusting component seats, and the top 150 faces the center of the mounting bracket 460.
In this embodiment, by uniformly disposing 3 sets of adjustment assemblies 490 on the mounting bracket 460, the sleeve 470 may be straightened during the process of running the sleeve 470.
Optionally, the mounting bracket further comprises at least three rib plates, wherein the at least three rib plates are triangular, and the at least three rib plates are uniformly arranged on one side of the second annular plate, which is opposite to the first annular plate.
Referring to fig. 2 and 8, the rib plates 500 are triangular iron plates, and the mounting bracket 460 includes at least three rib plates 500, where the at least three rib plates 500 are uniformly disposed on a side of the second annular plate 602 opposite to the first annular plate 601.
In this embodiment, by disposing the rib plate on the side of the second annular plate 602 facing away from the first annular plate 601, the structural rigidity of the mounting bracket 460 can be better ensured.
Optionally, the mounting bracket further comprises at least three feet, wherein the at least three feet are in a hook shape, and the at least three feet are uniformly inserted into one side of the second annular plate opposite to the first annular plate.
Referring to fig. 2 and 7, the mounting bracket 460 further includes at least three anchor pins 480, the at least three anchor pins 480 are in a hook shape, and the at least three anchor pins 480 are uniformly inserted into a side of the second annular plate 602 opposite to the first annular plate 601, the anchor pin 480 embedded part of the ground righting and clamping device is poured onto a wellhead by cement, and after solidification is firm, the ground righting and clamping device is mounted on the wellhead anchor pin and locked by nuts.
In this embodiment, by disposing the anchor 480 on the side of the second annular plate 602 facing away from the first annular plate 601, the anchor 480 is embedded in the casting cement, and is better used to secure the ground sleeve 470 centering and tightening device.
Optionally, the mounting bracket further comprises a connecting plate, the first annular plate and the second annular plate are fixedly connected through the connecting plate, and the mounting tube is connected with the connecting plate.
Referring to fig. 2, 7 and 8, the connection plate 400 is an iron plate between two large and small circular ring plates, and the first and second circular plates 601 and 602 are fixedly connected through the connection plate 400, and the installation tube 130 is connected with the connection plate 400. The sleeve centralizing and clamping device consists of a mud scraping cover 420, a mud scraping seat 430, a mud scraping plate 440 and a mud discharging groove 450, wherein the mud scraping cover 420 is used for limiting the mud scraping plate 440 in a cavity of the mud scraping seat 430, the mud scraping seat 430 is a central area of the sleeve centralizing and clamping device, the mud scraping plate 440 is installed in the mud scraping seat 430, mud on the drill pipe 410 is scraped when the drill pipe 410 is lifted, the mud discharging groove 450 is used for discharging mud scraped by the mud scraping plate 440 at two sides of the mud scraping seat 430 through the two mud discharging grooves 450 when the drill pipe 410 is lifted, the mud scraping plate 440 is sleeved on an outer pipe of a drill pipe before the drill pipe 410 is lifted, the mud scraping plate is placed in the cavity of the mud scraping seat 430, then the mud scraping cover 420 is installed at the top of the mud scraping seat 430, the mud scraping seat 410 is firmly installed by locking bolts, the mud scraping plate 440 can scrape mud attached to the drill pipe 410, the mud scraping effect is achieved, and the scraped mud falls at the bottom of the mud scraping seat 430 and is discharged through the mud discharging groove 450. The whole set of sleeve centralizing and clamping device is arranged at the top, the mud scraping plate 440 is of a circular ring cake-shaped structure, is arranged in a cavity of the mud scraping seat 430 and is concentric with the axis of the mud scraping seat, when the drill pipe 410 is lifted, mud on the outer wall of the drill pipe can be scraped by a radial boss on the bottom surface of the mud scraping plate 440, wherein the front view structure 440-1, the rear view structure 440-2 and the bottom view structure 440-3 of the mud scraping plate are shown in fig. 3, 4, 5 and 6, and the mud falls at the bottom in the cavity of the mud scraping seat 430 and is discharged out of the sleeve centralizing and clamping device through two mud discharging grooves 450. The top of the mud scraping seat 430 is provided with the mud scraping cover 420, the mud scraping cover 420 is fixed on the mud scraping seat 430 through screws, the mud scraping cover 420 can prevent the mud scraping plate 440 from being carried out in the process of lifting the drill rod, the mud scraping plate 440 is limited in a cavity of the mud scraping seat 430, in the process of lifting, the sleeve 470 is adjusted to the center of a well hole, the adjusting handle is rotated, at the moment, the top heads 150 of at least three adjusting assemblies extend out, and the sleeve 470 is adjusted and righted in real time.
In this embodiment, under the combined action of the mud scraping seat 430, the mud scraping plate 440, the mud scraping plate cover 420, the mud discharging groove 450 and the adjusting component 490, the mud scraping effect can be better realized, the scraped mud falls on the bottom of the mud scraping seat 430, is discharged through the mud discharging groove 450, and the sleeve 470 is better ensured to be positioned in the center of the well hole, so that the phenomenon of non-concentricity is prevented.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. The casing centralizing and clamping device is characterized by comprising a drill rod, a casing, a mounting bracket and at least three adjusting components, wherein the at least three adjusting components are respectively arranged on the mounting bracket, and the at least three adjusting components are arranged around the casing;
the mounting bracket comprises a first through hole, the sleeve is arranged in the first through hole in a penetrating mode, and the drill rod is arranged in the sleeve in a penetrating mode;
the adjusting component comprises an adjusting screw, an installing pipe and a threaded pipe, wherein the installing pipe is fixedly connected with the installing support, the axis of the installing pipe is vertical to the axis of the first through hole, an internal thread matched with the adjusting screw is arranged in the threaded pipe, the threaded pipe is coaxially arranged with the installing pipe, the threaded pipe is slidably arranged in the installing pipe, the cambered surface of the top of the adjusting component is contacted with the outer side wall of the sleeve, and the adjusting screw is in threaded connection with the threaded pipe;
in the process of rotating the adjusting screw, the adjusting screw drives the threaded pipe to move along the axis of the installation pipe.
2. The casing centralizing clamping device of claim 1, wherein the adjustment assembly further comprises a first nut, the first nut including internal threads, and wherein the internal threads of the first nut are threaded in a direction opposite to the internal threads of the threaded pipe;
the first nut and the mounting pipe are coaxially arranged, the first nut is fixedly arranged in the mounting pipe, and the first nut is positioned at one side of the threaded pipe far away from the sleeve;
the adjusting screw comprises a first section and a second section, the first section is provided with a first external thread matched with the internal thread of the first nut, the second section is provided with a second external thread matched with the internal thread of the threaded pipe, the adjusting screw is respectively arranged in the first nut and the threaded pipe in a penetrating mode, the first section is in threaded connection with the first nut, and the second section is in threaded connection with the threaded pipe.
3. The cannula centralizing clamping apparatus of claim 2, wherein the adjustment assembly further comprises a first screw, the first nut and the mounting tube being fixedly connected by the first screw.
4. The casing centering and clamping device according to claim 2, wherein the adjusting assembly further comprises a second screw, the cross section of the outer side wall of the threaded pipe is regular quadrangle, the side wall of the mounting pipe is provided with a second through hole, the second screw is fixed in the second through hole, and the end part of the second screw abuts against the bottom of the long groove of the threaded pipe.
5. The casing centralizing clamping fixture of claim 2, wherein the first nut further comprises external threads and the first nut is threadably connected to the mounting tube.
6. The casing centering and clamping device according to claim 1, wherein the threaded pipe comprises a threaded body and a plug, one end of the plug is fixedly connected with one end of the threaded pipe, a second end of the plug is provided with an arc-shaped surface matched with the outer wall of the casing, and the arc-shaped surface of the plug is in contact with the outer wall of the casing.
7. The cannula-centering clamp of claim 1, wherein the mounting bracket comprises a first annular plate, a second annular plate, the first annular plate and the second annular plate are coaxially disposed, and the first through-hole comprises an interior through-hole of the first annular plate and an interior through-hole of the second annular plate, the first annular plate and the second annular plate being disposed in spaced apart relation.
8. The sleeve centralizing clamping device according to claim 7, wherein the mounting bracket further comprises at least three webs, the at least three webs being triangular in shape, the at least three webs being evenly disposed on a side of the second annular plate opposite the first annular plate.
9. The casing centering and clamping device of claim 8, wherein the mounting bracket further comprises at least three feet, the at least three feet are in a hook shape, and the at least three feet are evenly inserted into the side of the second annular plate opposite to the first annular plate.
10. The cannula centralizing clamping apparatus of claim 7, wherein the mounting bracket further comprises a connecting plate, the first annular plate and the second annular plate being fixedly connected by the connecting plate, the mounting tube being connected to the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321498184.XU CN220151290U (en) | 2023-06-13 | 2023-06-13 | Casing centralizing and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321498184.XU CN220151290U (en) | 2023-06-13 | 2023-06-13 | Casing centralizing and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151290U true CN220151290U (en) | 2023-12-08 |
Family
ID=89011849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321498184.XU Active CN220151290U (en) | 2023-06-13 | 2023-06-13 | Casing centralizing and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151290U (en) |
-
2023
- 2023-06-13 CN CN202321498184.XU patent/CN220151290U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109267964B (en) | Metal reducing sealing soluble fracturing bridge plug | |
| US9580964B2 (en) | Drilling tool and method for earth drilling | |
| CN220151290U (en) | Casing centralizing and clamping device | |
| US3012610A (en) | Drilling | |
| CN111411894B (en) | Reentry cone lowering method based on pipe following drilling process | |
| WO2017190017A1 (en) | Threaded connection management system and method | |
| CN202544790U (en) | Releasing slip socket for well repair | |
| RU2346144C1 (en) | Device used for lowering, suspending and cementing casing string sections | |
| CN103618153A (en) | A temporary ground rod | |
| CN110080688B (en) | Small well completion pipe string and construction method | |
| CN115877442B (en) | Fixing device for deep hole seismometer | |
| CN113089668B (en) | Protect a section of thick bamboo pressure equipment device | |
| CN108316866B (en) | Hydraulic casing centralizer | |
| CN210685916U (en) | Casing head for preventing casing rotation | |
| CN211201756U (en) | Casing running device for oil field drilling | |
| US4334342A (en) | Casing hanger and stabilizer | |
| CN110735618A (en) | Oil extraction and water injection string | |
| CN110685629B (en) | Tool for cleaning and fishing small-diameter underground rock slag in deep well section | |
| CN109236221B (en) | Hydraulic perforation anchoring device | |
| RU2761803C1 (en) | Tool for removing cement | |
| CN113089667B (en) | Sinking construction method of steel casing | |
| CN113585976B (en) | Reaming device and multifunctional drilling and reaming hole forming equipment | |
| CN202810780U (en) | Gas sucking and exhausting hole sleeve with baseboard capable of being dismantled | |
| CN214464025U (en) | Dig rig soon and bury and bore processing apparatus | |
| CN113529714B (en) | Construction method for replacing old pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 071600 No. 126 Jianshe Street, Anxin Town, Anxin County, Xiong'an New Area, Hebei Province (self declared) Patentee after: Xiong'an Jian'an Technology Group Co.,Ltd. Country or region after: China Address before: No. 12-3, Changsheng Road North (Jixiangyuan Community), Ding'an New County, Baoding City, Hebei Province, 071699 Patentee before: Xiong'an Jian'an Technology Group Co.,Ltd. Country or region before: China |