CN217400858U - Drilling rod fishing device for geothermal well - Google Patents
Drilling rod fishing device for geothermal well Download PDFInfo
- Publication number
- CN217400858U CN217400858U CN202220046430.7U CN202220046430U CN217400858U CN 217400858 U CN217400858 U CN 217400858U CN 202220046430 U CN202220046430 U CN 202220046430U CN 217400858 U CN217400858 U CN 217400858U
- Authority
- CN
- China
- Prior art keywords
- fishing
- clamping
- clamping part
- joint
- wall
- 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.)
- Expired - Fee Related
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 51
- 238000000034 method Methods 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a drill rod fishing device for geothermal wells, which comprises a fishing joint and a drill rod clamping piece connected to the fishing joint, wherein the fishing joint is provided with a first connecting part; the drill rod clamping piece comprises a first clamping part and a second clamping part, and a clamping space is formed between the first clamping part and the second clamping part; one end of the first clamping part is connected with the second clamping part to form the tail end of the clamping space, and the tail end is closed; the end far away from the tail end is an inlet end, and the distance between the first clamping part and the second clamping part is gradually reduced from the inlet end to the tail end of the clamping space. The utility model discloses fishing device's simple structure can integrated into one piece, has lacked many unnecessary connection structure for overall structure is more stable, more firm when salvaging the heavier drilling rod of quality.
Description
Technical Field
The utility model belongs to the technical field of the drilling rod is salvaged, concretely relates to drilling rod fishing device for geothermal well.
Background
In the geothermal well drilling construction process, sometimes, the drill rod can be dropped, if the dropped drill rod is shallow in depth and light in weight, the dropped drill rod can be salvaged by using a magnet, but if the dropped drill rod is deep in depth and heavy in weight, the dropped drill rod can not be salvaged by using the magnet, in practice, a professional engineer who needs to lift a pump or salvage a well is generally used for salvage, time and labor are wasted, and great influence is caused on later engineering.
Therefore, a drilling rod fishing device is urgently needed, which can salvage fallen drilling in a geothermal well in real time so as to ensure the smooth proceeding of engineering.
SUMMERY OF THE UTILITY MODEL
For solving a difficult problem among the above-mentioned prior art, the utility model provides a drilling rod fishing device convenient to fall to bore in geothermal well and carry out real-time salvage has adopted following technical scheme:
a drill rod salvaging device for a geothermal well comprises a salvaging joint and a drill rod clamping piece connected with the salvaging joint,
the fishing joint is provided with a first connecting part;
the drill rod clamping piece comprises a first clamping part and a second clamping part, and a clamping space is formed between the first clamping part and the second clamping part;
one end of the first clamping part is connected with the second clamping part to form the tail end of the clamping space, and the tail end is closed;
the end far away from the tail end is an inlet end, and the distance between the first clamping part and the second clamping part is gradually reduced from the inlet end to the tail end of the clamping space.
Furthermore, a second connecting part is arranged on the fishing joint.
Furthermore, two sides of the clamping space are respectively a first wall of the first clamping part and a second wall of the second clamping part, and the first wall of the first clamping part and the second wall of the second clamping part are arc-shaped.
Furthermore, the first wall of the first clamping part and/or the second wall of the second clamping part are/is provided with inverted teeth.
Further, the inlet end of the clamping space is positioned in the clockwise direction of the tail end.
Furthermore, the fishing joint is of a tubular structure,
the first connecting part is an internal thread arranged on the inner wall of the fishing joint;
the second connecting part is a clamping groove arranged on the pipe wall of the fishing joint.
Furthermore, the clamping groove is one
Or alternatively
The two clamping grooves are respectively arranged on different side faces of the pipe wall of the fishing joint.
Furthermore, the second clamping part is arranged on the fishing joint, and the fishing joint is not in contact with the second wall of the second clamping part.
Furthermore, a handle is arranged on the drill rod clamping piece.
Further, still include fishing rod and power device, fishing rod one end is passed through first connecting portion and is salvaged the articulate, the fishing rod other end is connected with power device.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the utility model discloses the principle of fishing device application is simple, only needs the fishing rod to rotate promptly and drives the drilling rod holder and rotate to drop on the drilling rod clamping part at drilling rod card in the pit, take out along with fishing device, this just makes the utility model discloses fishing device's structure becomes very simple, can integrated into one piece, has lacked many unnecessary connection structure for overall structure is more stable, and more firm when salvaging the heavier drilling rod of quality also adapts to the high temperature environment in the geothermol power well more simultaneously, prevents too much connection structure from losing efficacy under high temperature environment.
The utility model discloses a set up the pawl on the first clamping part and the second clamping part of centre gripping space both sides, can be more firm block the drilling rod, prevent that the drilling rod from droing at the in-process that promotes.
Drawings
FIG. 1 is a schematic view of the fishing device of the present invention
FIG. 2 is a top view of FIG. 1
The device comprises a fishing joint 1, a drill rod clamping piece 2, a drill rod clamping piece 3, a second connecting part 31, an upper clamping groove 32, a lower clamping groove 4, a first connecting part 5, a first clamping part 51, a first wall of the first clamping part 6, a second clamping part 61, a second wall of the second clamping part 7, a handle 8 and anti-slip rubber.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model discloses a drill rod fishing device for a geothermal well, which comprises a fishing joint 1 and a drill rod clamping piece 2 connected to the fishing joint 1, wherein the fishing joint 1 is provided with a first connecting part 4; drilling rod holder 2 includes first clamping part 5 and second clamping part 6, is formed with the centre gripping space 9 that is used for the centre gripping drilling rod between first clamping part 5 and the second clamping part 6, 5 one end of first clamping part is connected with second clamping part 6 and is formed the tail end of centre gripping space 9, and 5 one end of first clamping part can integrated into one piece with second clamping part 6, the tail end is sealed, and the one end of keeping away from the tail end is the entry end, the distance between first clamping part 5 and the second clamping part 6 diminishes from the entry end to the tail end of centre gripping space 9 gradually.
The first connecting part 4 is used for being connected with a fishing rod, and the fishing rod refers to a drill rod for fishing out lost drills; in actual use, the length of the fishing rod can be set according to the depth of a drill falling, namely, a plurality of drill rods can be connected to form the fishing rod;
when using, be connected fishing rod one end with first connecting portion 4, the other end is connected with the rig, then send fishing device into the drilling rod department that drops, the entry end of centre gripping space 9 is arranged in to the drilling rod that will drop, it is rotatory to set up the rig, it is rotatory to drive fishing rod, it is rotatory to further drive drilling rod clamping part 2, along with the rotation of drilling rod clamping part 2, the drilling rod that drops can get into inside centre gripping space 9, because the distance between the inside first clamping part 5 of centre gripping space 9 and the second clamping part 6 narrows down gradually, so the drilling rod that drops is along with the rotation of drilling rod clamping part 2, can slowly block on drilling rod clamping part 2, treat the drilling rod chucking back, promote out the well drilling with fishing device, just can promote the drilling rod that drops in the lump out, realize the salvage to the drilling rod that drops.
The utility model discloses fishing device's principle is simple, only needs the fishing rod to rotate promptly and drives drilling rod clamping part 2 and rotate to drop drilling rod card in the pit on drilling rod clamping part 2, take out along with fishing device, this just makes the utility model discloses fishing device's structure becomes very simple, has lacked many unnecessary connection structure, when connection structure is more complicated, because the weight of drilling rod is great, damages very easily when salvaging, and the utility model discloses a fishing device because simple structure can integrated into one piece for overall structure is more stable, more firm when salvaging the heavier drilling rod of quality. Simultaneously when connection structure is more complicated, use also inefficacy easily under the high temperature environment of geothermal well, so the utility model discloses also adapt to the high temperature environment in the geothermal well more.
Further, the drilling rod is for the convenience of being connected between pole and the pole when setting up, all is furnished with the external screw thread in actual production, and is corresponding, for convenient to use, can set salvage joint 1 to tubular structure, and first connecting portion 4 is the internal thread that sets up at salvage joint 1 inner wall, the internal thread and the external screw thread looks adaptation on the salvage pole, when the in-service use, directly with salvage the pole twist on salvage joint 1 can.
The utility model discloses a preferred embodiment, be provided with second connecting portion 3 on the fishing joint 1 for be connected fishing joint 1 with the rig. Further, the second connecting portion 3 may be a slot disposed on the pipe wall of the fishing joint 1. When a dropped drill rod is salvaged, the clamping groove is clamped by the drill clamping plate, and the drill and the fishing joint 1 can be further fixed.
When fishing rod and fishing joint 1 adopt threaded connection, when the drilling rod that drops is heavier, at the promotion in-process, threaded connection department will unable bear the drilling rod weight of centre gripping on the drilling rod holder 2, moreover fishing rod's primary function is with power transmission to on the drilling rod holder 2, drive drilling rod holder 2 and rotate, so need further set up second connecting portion 3 for connect rig and fishing device, so that fishing device can not drop because drilling rod weight is great at the in-process that promotes.
Further, the draw-in groove can be one or two, and when the draw-in groove was two, two draw-in grooves can set up respectively in the different sides of salvage joint 1 pipe wall the utility model discloses an embodiment, as shown in fig. 1, the draw-in groove includes draw-in groove 31 and lower draw-in groove 32, goes up draw-in groove 31 and lower draw-in groove 32 and sets up the different sides at salvage joint 1 pipe wall, and the purpose that sets up like this guarantees that the rig splint can clip salvage joint 1 in the equidirectional play, when in-service use, can select the position that does not shelter from the sight as required to clip salvage joint 1.
In a preferred embodiment of the present invention, as shown in fig. 1, the two sides of the clamping space 9 are respectively the first wall 51 of the first clamping portion and the second wall 61 of the second clamping portion, the first wall 51 of the first clamping portion and the second wall 61 of the second clamping portion are arc-shaped, so that when the drill rod clamping portion 2 rotates, the dropped drill rod is clamped in the clamping space 9 along the arc line.
The present invention is limited to the arc shape only by the first wall 51 of the first clamping portion and the second wall 61 of the second clamping portion, and is not limited to the other walls of the first clamping portion 5 and the second clamping portion 6.
In a preferred embodiment of the present invention, the first wall 51 of the first clamping portion and/or the second wall 61 of the second clamping portion are provided with inverted teeth. Through set up the pawl on drilling rod holder 2, the drilling rod that can be more firm blocks and drop prevents that the drilling rod from droing owing to skidding at the in-process of pulling out.
The utility model discloses a preferred embodiment, as shown in fig. 1, the entry end of centre gripping space 9 is located the clockwise of tail end, because fishing joint 1 and fishing rod between preferred threaded connection, and conventional threaded connection mode is clockwise tightening, anticlockwise loosening, so the rig generally drives fishing rod clockwise, otherwise can lead to breaking away from of fishing rod and fishing joint 1, the entry end that must keep centre gripping space 9 equally is located the clockwise of tail end, so that when fishing rod clockwise, the drilling rod that is located the entry end slowly blocks on drilling rod holder 2 along the direction of rotation of drilling rod holder 2, if the entry end of centre gripping space 9 is located the anticlockwise of tail end, then can lead to when fishing rod clockwise, the drilling rod that drops can't block on drilling rod holder 2 all the time.
Furthermore, the second clamping part 6 is arranged on the fishing joint 1, the fishing joint 1 and the second clamping part can be integrally formed, and the fishing joint 1 is not contacted with the second wall 61 of the second clamping part. The fishing joint 1 and the second wall 61 of the second clamping part are not in contact, so that a certain gap is reserved between the second wall 61 of the second clamping part and the outer wall of the fishing joint 1, and the drill rod clamping piece 2 can better clamp the drill rod fishing joint or the drill rod clamping groove on a drill rod.
Furthermore, a handle 7 is arranged on the first clamping part 6 to facilitate the drilling staff to carry the equipment, and meanwhile, anti-skid rubber 8 can be arranged on the handle 7 to prevent the fishing device from falling off and hurting people due to the fact that hands slide in the carrying process.
The utility model discloses an in one embodiment, fishing device still includes fishing rod and power device, fishing rod one end is connected with salvage joint 1 through first connecting portion 4, the 4 other ends of fishing rod are connected with power device, and power device generally is the rig.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art may still modify the technical solutions described in the foregoing embodiments, or may substitute some or all of the technical features of the foregoing embodiments; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included in the scope of the claims and description of the present invention.
Claims (10)
1. The utility model provides a drilling rod fishing device for geothermal well which characterized in that: comprises a fishing joint and a drill rod clamping piece connected on the fishing joint,
the fishing joint is provided with a first connecting part;
the drill rod clamping piece comprises a first clamping part and a second clamping part, and a clamping space is formed between the first clamping part and the second clamping part;
one end of the first clamping part is connected with the second clamping part to form the tail end of the clamping space, and the tail end is closed;
the end far away from the tail end is an inlet end, and the distance between the first clamping part and the second clamping part is gradually reduced from the inlet end to the tail end of the clamping space.
2. A fishing device as claimed in claim 1, wherein: and a second connecting part is arranged on the fishing joint.
3. A fishing device as claimed in claim 1, wherein: the two sides of the clamping space are respectively a first wall of the first clamping part and a second wall of the second clamping part, and the first wall of the first clamping part and the second wall of the second clamping part are arc-shaped.
4. A fishing device as claimed in claim 3, wherein: and the first wall of the first clamping part and/or the second wall of the second clamping part are/is provided with inverted teeth.
5. A fishing device as claimed in claim 3, wherein: the inlet end of the clamping space is positioned in the clockwise direction of the tail end.
6. A fishing device as claimed in claim 2, wherein: the fishing joint is of a tubular structure,
the first connecting part is an internal thread arranged on the inner wall of the fishing joint;
the second connecting part is a clamping groove arranged on the pipe wall of the fishing joint.
7. A fishing device as claimed in claim 6, wherein:
the clamping groove is one
Or
The two clamping grooves are respectively arranged on different side faces of the pipe wall of the fishing joint.
8. A fishing device as claimed in claim 3, wherein:
the second clamping part is arranged on the fishing joint, and the fishing joint is not in contact with the second wall of the second clamping part.
9. A fishing device as claimed in claim 1, wherein: and a handle is arranged on the drill rod clamping piece.
10. A fishing device as claimed in any one of claims 1 to 9, wherein: still include fishing rod and power device, fishing rod one end is passed through first connecting portion and is connected with the salvage joint, the fishing rod other end is connected with power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220046430.7U CN217400858U (en) | 2022-01-10 | 2022-01-10 | Drilling rod fishing device for geothermal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220046430.7U CN217400858U (en) | 2022-01-10 | 2022-01-10 | Drilling rod fishing device for geothermal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217400858U true CN217400858U (en) | 2022-09-09 |
Family
ID=83135109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220046430.7U Expired - Fee Related CN217400858U (en) | 2022-01-10 | 2022-01-10 | Drilling rod fishing device for geothermal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217400858U (en) |
-
2022
- 2022-01-10 CN CN202220046430.7U patent/CN217400858U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2368528A1 (en) | Closed-head power tongs | |
| CN217400858U (en) | Drilling rod fishing device for geothermal well | |
| CN213004862U (en) | Clamp for maintaining petroleum casing coupling | |
| CN204532203U (en) | A kind of coiled tubing slip-type fishing socket | |
| CN202380998U (en) | Push-pull manipulator for lifting and lowering oil pipe of wellhead unmanned operation system | |
| CN205724667U (en) | A kind of efficient tightener of two-way take-up | |
| CN216240485U (en) | Spiral self-centralizing drill rod fisher | |
| CN212239265U (en) | Perforating device for water conservancy construction pipeline | |
| CN215817311U (en) | Pipeline fixing device on construction frame | |
| CN211664689U (en) | Portable inspection shaft lid opening device | |
| CN116259987A (en) | Universal automatic tight and firm grounding device for distribution network | |
| CN211289007U (en) | Water conservancy pipeline construction fastener | |
| CN113818819A (en) | Spiral self-centralizing type drill rod fisher and control method thereof | |
| CN213516622U (en) | Anchor cable acceptance test detection device | |
| CN210685901U (en) | Well bottom fishing equipment for workover | |
| CN204002638U (en) | A kind of sinker bar unloads clasp forceps | |
| CN210164450U (en) | High antitorque formula back-off trip spear that can move back | |
| CN202946080U (en) | Guide shoe for fishing tool of logging instrument | |
| CN208254835U (en) | A kind of earth boring auger taking original state soil block | |
| CN207171017U (en) | A kind of water pipe hole making drill and water pipe boring device | |
| CN211777216U (en) | Spline drill bit shank for rock drilling jumbo | |
| CN201711913U (en) | Automatic string pulling-type screwdriver | |
| CN211805796U (en) | Valve well key | |
| CN217501622U (en) | Derrick for lifting outlet shaft well head | |
| CN205989282U (en) | Casing spider clamps |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220909 |