CN205225133U - Fishing device falls to restricting - Google Patents
Fishing device falls to restricting Download PDFInfo
- Publication number
- CN205225133U CN205225133U CN201521052262.9U CN201521052262U CN205225133U CN 205225133 U CN205225133 U CN 205225133U CN 201521052262 U CN201521052262 U CN 201521052262U CN 205225133 U CN205225133 U CN 205225133U
- Authority
- CN
- China
- Prior art keywords
- handgrip
- briquetting
- falls
- articulated joint
- fixedly installed
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a fishing device falls to restricting, including last grabbing device (1), lower grabbing device (2), tongs device (5), the 2nd traction wire (10) and cable (101), the 2nd traction wire (10) and cable (101) are connected with last grabbing device (1), it corresponds the setting with lower grabbing device (2) to go up grabbing device (1), tongs device (5) are connected with lower grabbing device (2), tongs device (5) are articulated each other with last tongs articulated joint (15) and lower tongs articulated joint (24) simultaneously, beneficial effect: the salvage process is convenient, and the probability of success is high, have the overload protection function, prevent to cause fishing device falls to restricting to fall into and cause secondary salvage accident in the pit, have the locking function, tongs device and briquetting cooperation are used and are fixed the rope that falls, can cut the solution to the rope that falls part to the rope and salvages well, improvement work efficiency.
Description
Technical field
The invention belongs to fishing device field, particularly one falls to restricting fishing device.
Background technology
In oil exploitation process, due to reason can occur wire rope the comes off situation about being stuck in well such as steel wire Long-Time Service is aging or holding capacity is excessive, this time, the wire rope come off in well and connected instrument were pulled out by needs in time; Generally use internal and external hook two kinds of instruments at present, when salvaging, the top of rope accumulation place is inserted in the top making hook insert rope namely, in rotating, hook (outer hook) hooks appropriate wire rope, make rope and fishing tool be intertwined on carry and namely complete salvaging, but this fishing device needs to avoid once entering down dark, cause when carrying fishing tool, exceed fishing tool load, cause fishing tool also to drop in well, cause the accident complicated, and wire rope smooth surface, existing fishing device, after crawl wire rope, lacks fixing, is easy to come off.
Application number is that the Chinese utility model patent of 201320007629.X discloses a kind of deviated directional drilling and to fall the special interior fishing device of well wire rope, this device is made up of wire rope crowfoot, wire rope dipper, lower ball bowl, lower bulb, upper bulb, upper ball bowl, top connection, arranges wire rope crowfoot at the medial surface of wire rope dipper; At the top of wire rope dipper, lower ball bowl is set; At the inner chamber of lower ball bowl, lower bulb is set; At the top of lower bulb, bulb is set; Ball bowl is set at upper bulb external surface, top connection is set at the top of upper ball bowl; It is uncontrollable that process salvaged by this fishing device, and the rope that falls during salvaging is not easily fixing easily to come off, and cannot carry out overload process.
Application number is that the Chinese utility model patent of 201420719990.X discloses a kind of rope salvaging device, be applied in oil well, comprise support bar, recovery hook and tubing coupling, described recovery hook is fixed on described support bar, for hooking the rope in described oil well, described tubing coupling is arranged on the upper end of described support bar, and is connected with the bottom of the tubing string in described oil well, and the upper section of described recovery hook is inclined-plane; This fishing device captures rope and not firmly easily comes off, simultaneously cannot by the rope that falls by recovery hook taking off the accident easily causing fishing device also to fall into down-hole after overload.
Summary of the invention
For the deficiencies in the prior art, the technical problem to be solved in the present invention be to provide a kind of salvage process convenient, there is overload protection function, there is locking function and shear the fishing device that falls to restricting of function of falling to restricting.
In order to solve technical problem proposed by the invention, the invention discloses one to fall to restricting fishing device, comprise grabbing device, lower grabbing device, gripper equipment, second traction steel wire and cable, described second traction steel wire is connected with upper grabbing device with cable, described upper grabbing device is corresponding with lower grabbing device to be arranged, described gripper equipment is connected with lower grabbing device, it is characterized in that: described upper grabbing device comprises upper mounted plate, upper crawl electromagnet, at least three handgrip support bars and upper handgrip articulated joint, described upper crawl electromagnet is fixedly installed on fixed head, described handgrip support bar to be fixedly installed on upper mounted plate and to be uniformly distributed, described handgrip support bar lower end is provided with movable space, described upper handgrip articulated joint is fixedly installed on handgrip support bar lower end and is positioned at both sides, movable space, described lower grabbing device comprises bottom plate, lower fixed bar, lower handgrip articulated joint and lower crawl electromagnet, be fixedly installed on the upside of described bottom plate on the downside of lower crawl electromagnet and be fixedly installed lower fixed bar, described lower crawl electromagnet is corresponding with upper crawl electromagnet to be arranged, described lower fixed bar is fixedly installed the lower handgrip articulated joint that arrange corresponding to handgrip support bar, described gripper equipment is hinged with upper handgrip articulated joint and lower handgrip articulated joint simultaneously.
As a modification of the present invention, described gripper equipment comprises handgrip body, handgrip articulated joint, handgrip articulated linkage and handgrip hinge hole, described handgrip body link is fixedly connected with handgrip articulated joint, described handgrip body is provided with handgrip hinge hole, handgrip body and upper handgrip articulated joint are hinged at handgrip hinge hole, described handgrip articulated linkage one end and the hinged other end of handgrip articulated joint and lower handgrip articulated joint hinged.
As a modification of the present invention, described handgrip body is arc.
As a modification of the present invention, described upper grabbing device also comprises at least three briquetting support bars, and described briquetting support bar to be fixedly installed on upper mounted plate and to be uniformly distributed; Described lower grabbing device also comprises rod hinge connection block, and described rod hinge connection block to be fixedly installed on bottom plate and correspondingly with briquetting support bar to arrange; This fishing device that falls to restricting also comprises support link, briquetting connecting rod and briquetting, described briquetting is positioned at gripper equipment and coordinates gripper equipment to use, described support link two ends are hinged with rod hinge connection block and briquetting connecting rod respectively, interlude and the briquetting support bar of described support link are hinged, described briquetting connecting rod away from one end of support link and briquetting hinged.
As a modification of the present invention, described briquetting comprises briquetting body and briquetting articulated joint, described briquetting articulated joint to be fixedly installed on briquetting body and with briquetting rod hinge connection.
As a modification of the present invention, the dome-type of described briquetting body.
As a modification of the present invention, also comprise shear and the first traction steel wire, described first traction steel wire is fixedly connected with shear, the rope that falls that described shear captures for shearing gripper equipment.
As a modification of the present invention, described shear comprises orientation barrel, fuel tank, oil pump, motor, first oil pipe, second oil pipe, cutter seat, cutter and limited block, described fuel tank, oil pump and motor are fixedly installed on orientation barrel, described fuel tank is connected with oil pump, described motor is connected with oil pump, described orientation barrel is axially through, the mounting groove corresponding with cutter seat is had inside described orientation barrel, described cutter seat is arranged in the mounting groove of orientation barrel, described cutter is fixedly installed on cutter seat, described limited block is fixedly installed on that the mounting groove opening part of orientation barrel is corresponding with cutter seat to be arranged, described first oil pipe one end is connected the other end and extends in the mounting groove of orientation barrel with oil pump, described second oil pipe one end is connected the other end with fuel tank and extends in the mounting groove of orientation barrel.
As a modification of the present invention, also comprise shoe, described shoe to be fixedly installed on orientation barrel and to be positioned at outside orientation barrel.
As a modification of the present invention, described shoe comprises wheel seat, spring and anti-pulley, and described anti-pulley is arranged on wheel seat, and described spring one end is fixedly connected with the other end with wheel seat and is fixedly connected with orientation barrel.
Generally speaking the present invention has following beneficial effect:
1, by gripper equipment carry out salvaging can when wire rope by press very closely knit salvages successfully, the mode falling to restricting by the insertion of the handgrip body of gripper equipment carries out salvaging can make salvaging process more convenient, improves the probability of success of crawl simultaneously;
2, there is overload protection function, when exceeding the maximum weight that this fishing device that falls to restricting can bear, owing to exceeding the greatest attraction forces between upper crawl electromagnet and lower crawl electromagnet, gripper equipment will open release and fall to restricting, and prevents causing rope fishing device to fall into down-hole and causes secondary salvaging accident;
3, have locking function, prevent wire rope when carrying and come off, gripper equipment and briquetting are fixed with the use of to the rope that falls, when salvaging well, can unlock, release falls to restricting, gripper equipment and briquetting, with the use of solution wire rope smooth surface, lack fixing, hold caducous problem;
4, when overload problem, the shear of this fishing device that falls to restricting can carry out shearing solution to the rope that falls and the rope that partly falls is salvaged well, increases work efficiency, avoids down putting the work carrying several hours, do not have effect.
Accompanying drawing explanation
Fig. 1 falls to restricting the overall front view of fishing device;
Fig. 2 falls to restricting fishing device partial sectional view;
Grabbing device, lower grabbing device and gripper equipment coupling part enlarged drawing on Fig. 3;
Grabbing device stereogram on Fig. 4;
Grabbing device stereogram under Fig. 5;
Fig. 6 gripper equipment stereogram;
Fig. 7 briquetting stereogram;
Fig. 8 shoe stereogram;
Fig. 9 shear stereogram;
Figure 10 shear non-shear state sectional view;
Figure 11 shear shearing condition sectional view;
Wherein:
1-upper grabbing device, 11-upper mounted plate, 12-above capture electromagnet, 13-briquetting support bar, 14-handgrip support bar, 15-upper handgrip articulated joint, 16-movable space;
2-lower grabbing device, 21-bottom plate, 22-lower fixed bar, 23-rod hinge connection block, 24-lower handgrip articulated joint, 25-under capture electromagnet;
3-support link;
4-briquetting connecting rod;
5-gripper equipment, 51-handgrip body, the articulated joint of 52-handgrip, 53-handgrip articulated linkage, 54-handgrip hinge hole;
6-briquetting, 61-briquetting body, the articulated joint of 62-briquetting;
7-shear, 71-orientation barrel, 72-fuel tank, 73-oil pump, 74-motor, the 75-the first oil pipe, the 76-the second oil pipe, 77-cutter seat, 78-cutter, 79-limited block;
8-shoe, 81-wheel seat, 82-spring, 83-anti-pulley;
9-the first traction steel wire;
10-the second traction steel wire;
101-cable.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the invention discloses one to fall to restricting fishing device, this fishing device that falls to restricting comprises grabbing device 1, lower grabbing device 2, support link 3, briquetting connecting rod 4, gripper equipment 5, briquetting 6, shear 7, shoe 8, first traction steel wire 9, second traction steel wire 10 and cable 101.
As Fig. 2, Fig. 4, shown in Fig. 5 and Fig. 9, upper grabbing device 1 comprises upper mounted plate 11, upper crawl electromagnet 12, three briquetting support bars 13, three handgrip support bars 14 and upper handgrip articulated joint 15, described upper crawl electromagnet 12 is fixedly installed on fixed head 11, described handgrip support bar 14 to be fixedly installed on upper mounted plate 11 and to be uniformly distributed, described briquetting support bar 13 to be fixedly installed on upper mounted plate 11 and to be uniformly distributed, described handgrip support bar 14 lower end is provided with movable space 16, described upper handgrip articulated joint 15 is fixedly installed on handgrip support bar 14 lower end and is positioned at both sides, movable space 16, described second traction steel wire 10 is fixedly connected with the upper mounted plate 11 of upper grabbing device 1 and is connected, described cable 101 and upper crawl electromagnet 12, lower crawl electromagnet 25 is connected with motor 74.
As Fig. 2, Fig. 3, shown in Fig. 5 and Fig. 6, lower grabbing device 2 comprises bottom plate 21, lower fixed bar 22, rod hinge connection block 23, lower handgrip articulated joint 24 and lower crawl electromagnet 25, be fixedly installed on the upside of described bottom plate 21 on the downside of lower crawl electromagnet 25 and be fixedly installed lower fixed bar 22, described lower crawl electromagnet 25 is corresponding with upper crawl electromagnet 12 to be arranged, described lower fixed bar 22 is fixedly installed the lower handgrip articulated joint 24 that arrange corresponding to handgrip support bar 14, described rod hinge connection block 23 to be fixedly installed on bottom plate 21 and correspondingly with briquetting support bar 13 to arrange, described gripper equipment 5 comprises handgrip body 51, handgrip articulated joint 52, handgrip articulated linkage 53 and handgrip hinge hole 54, described handgrip body 51 link is fixedly connected with handgrip articulated joint 52, described handgrip body 51 is provided with handgrip hinge hole 54, handgrip body 51 and upper handgrip articulated joint 15 are hinged at handgrip hinge hole 54, described handgrip articulated linkage 53 one end and the hinged other end of handgrip articulated joint 52 and lower handgrip articulated joint 24 hinged, this handgrip body 51 is arc.
As shown in Figure 2 and Figure 7, briquetting 6 comprises briquetting body 61 and briquetting articulated joint 62, described briquetting articulated joint 62 to be fixedly installed on briquetting body 61 and hinged with briquetting connecting rod 4, the zone line that described briquetting 6 is positioned at three handgrip bodies 51 of gripper equipment 5 coordinates handgrip body 51 to be fixed the rope that falls, described support link 3 two ends are hinged with rod hinge connection block 23 and briquetting connecting rod 4 respectively, interlude and the briquetting support bar 13 of described support link 3 are hinged, described briquetting connecting rod 4 away from one end of support link 3 and briquetting 6 hinged, the dome-type of described briquetting body 61.
As Fig. 1, Fig. 8, Fig. 9, shown in Figure 10 and Figure 11, shear 7 comprises orientation barrel 71, fuel tank 72, oil pump 73, motor 74, first oil pipe 75, second oil pipe 76, cutter seat 77, cutter 78 and limited block 79, described fuel tank 72, oil pump 73 and motor 74 are fixedly installed on orientation barrel 71, described fuel tank 72 is connected with oil pump 73, described motor 74 is connected with oil pump 73, described orientation barrel 71 is axially through, the mounting groove corresponding with cutter seat 77 is had inside described orientation barrel 71, described cutter seat 77 is arranged in the mounting groove of orientation barrel 71, described cutter 78 is fixedly installed on cutter seat 77, described limited block 79 is fixedly installed on that the mounting groove opening part of orientation barrel 71 is corresponding with cutter seat 77 to be arranged, described first oil pipe 75 one end is connected the other end and extends in the mounting groove of orientation barrel 71 with oil pump 73, described second oil pipe 76 one end is connected the other end and extends in the mounting groove of orientation barrel 71 with fuel tank 72, described shoe 8 comprises wheel seat 81, spring 82 and anti-pulley 83, described anti-pulley 83 is arranged on wheel seat 81, described spring 82 one end is fixedly connected with the other end with wheel seat 81 and is fixedly connected with orientation barrel 71, and described shoe 8 is fixedly installed on outside orientation barrel 71, first traction steel wire 9 is fixedly connected with the orientation barrel 71 of shear 7, and described orientation barrel 71 is for ensureing that center of gravity eliminates portion of material on axis, and described shear 7 is for shearing the rope that falls of gripper equipment 5 crawl.
Below operating principle of the present invention is briefly described:
Upper grabbing device 1, lower grabbing device 2, support link 3, briquetting connecting rod 4, gripper equipment 5 and briquetting 6 component devices are first arranged on the downside of shear 7 through orientation barrel 71 when using by the fishing device that falls to restricting disclosed by the invention, afterwards ground control unit by control first traction steel wire 9, second traction steel wire 10 with cable 101 with identical rate discharge, first upper crawl electromagnet 12 and the alive size of lower crawl electromagnet 25 is determined according to the ability to bear of the second traction steel wire 10 after arrival falls to restricting position, after upper crawl electromagnet 12 and lower crawl electromagnet 25 are energized, lower grabbing device 2 entirety upwards drives handgrip body more than 51 handgrip articulated joint 15 to fall to restricting for fulcrum starts crawl, because rod hinge connection block 23 and support link 3 are hinged, support link 3 is driven with briquetting support bar 13 for fulcrum makes briquetting connecting rod 4 move downward when lower grabbing device 2 rises, briquetting connecting rod 4 makes briquetting body 61 move downward when moving downward, complete both handgrip body 51 and briquetting body 61 to coordinate and capture the rope that falls,
Fall to restricting fishing device after crawl to rising, the rope that falls is mentioned to fall the power that rope fishing device bears will constantly increase along with continuous, through ground monitoring device monitoring the power of bearing be greater than the second traction steel wire 10 can tolerance range time the first traction steel wire 9 stop rising second traction steel wire 10 continue rise, when upper grabbing device 1, lower grabbing device 2, support link 3, briquetting connecting rod 4, when gripper equipment 5 and briquetting 6 are thus lifted on the upside of shear 7, motor 74 drives oil pump 73 that the oil in fuel tank 72 is promoted cutter seat 77 in the mounting groove that the first oil pipe 75 is pumped into orientation barrel 71 and wire rope sheared by cutter 78, continue rising afterwards to complete whole salvaging process or transfer crawl and more to drop thing.
The foregoing is only better embodiment of the present invention, the present invention is not limited to above-mentioned embodiment, the structural modification that local is small may be there is in implementation process, if do not depart from the spirit and scope of the present invention to various change of the present invention or modification, and belong within claim of the present invention and equivalent technologies scope, then invent also intention and comprise these change and modification.
Claims (10)
1. fall to restricting fishing device, comprise grabbing device (1), lower grabbing device (2), gripper equipment (5), second traction steel wire (10) and cable (101), described second traction steel wire (10) is connected with upper grabbing device (1) with cable (101), described upper grabbing device (1) is corresponding with lower grabbing device (2) to be arranged, described gripper equipment (5) is connected with lower grabbing device (2), it is characterized in that: described upper grabbing device (1) comprises upper mounted plate (11), upper crawl electromagnet (12), at least three handgrip support bars (14) and upper handgrip articulated joint (15), described upper crawl electromagnet (12) is fixedly installed on fixed head (11), described handgrip support bar (14) is fixedly installed on upper mounted plate (11) and goes up and be uniformly distributed, described handgrip support bar (14) lower end is provided with movable space (16), described upper handgrip articulated joint (15) is fixedly installed on handgrip support bar (14) lower end and is positioned at movable space (16) both sides, described lower grabbing device (2) comprises bottom plate (21), lower fixed bar (22), lower handgrip articulated joint (24) and lower crawl electromagnet (25), described bottom plate (21) upside is fixedly installed lower crawl electromagnet (25) downside and is fixedly installed lower fixed bar (22), described lower crawl electromagnet (25) is corresponding with upper crawl electromagnet (12) to be arranged, described lower fixed bar (22) is fixedly installed the lower handgrip articulated joint (24) that arrange corresponding to handgrip support bar (14), described gripper equipment (5) is hinged with upper handgrip articulated joint (15) and lower handgrip articulated joint (24) simultaneously.
2. the fishing device that falls to restricting according to claim 1, it is characterized in that: described gripper equipment (5) comprises handgrip body (51), handgrip articulated joint (52), handgrip articulated linkage (53) and handgrip hinge hole (54), described handgrip body (51) link is fixedly connected with handgrip articulated joint (52), described handgrip body (51) is provided with handgrip hinge hole (54), handgrip body (51) and upper handgrip articulated joint (15) are hinged at handgrip hinge hole (54), described handgrip articulated linkage (53) one end and handgrip articulated joint (52) the hinged other end and lower handgrip articulated joint (24) hinged.
3. the fishing device that falls to restricting according to claim 2, is characterized in that: described handgrip body (51) is arc.
4. the fishing device that falls to restricting according to claim 1, is characterized in that: described upper grabbing device (1) also comprises at least three briquetting support bars (13), and described briquetting support bar (13) is fixedly installed on upper mounted plate (11) and goes up and be uniformly distributed; Described lower grabbing device (2) also comprises rod hinge connection block (23), and it is upper and correspondingly with briquetting support bar (13) to arrange that described rod hinge connection block (23) is fixedly installed on bottom plate (21); This fishing device that falls to restricting also comprises support link (3), briquetting connecting rod (4) and briquetting (6), described briquetting (6) is positioned at gripper equipment (5) and coordinates gripper equipment (5) to use, described support link (3) two ends are hinged with rod hinge connection block (23) and briquetting connecting rod (4) respectively, interlude and the briquetting support bar (13) of described support link (3) are hinged, described briquetting connecting rod (4) away from one end of support link (3) and briquetting (6) hinged.
5. the fishing device that falls to restricting according to claim 4, it is characterized in that: described briquetting (6) comprises briquetting body (61) and briquetting articulated joint (62), it is upper and hinged with briquetting connecting rod (4) that described briquetting articulated joint (62) is fixedly installed on briquetting body (61).
6. the fishing device that falls to restricting according to claim 5, is characterized in that: the dome-type of described briquetting body (61).
7. the fishing device that falls to restricting according to claim 1, it is characterized in that: also comprise shear (7) and the first traction steel wire (9), described first traction steel wire (9) is fixedly connected with shear (7), the rope that falls that described shear (7) captures for shearing gripper equipment (5).
8. the fishing device that falls to restricting according to claim 7, it is characterized in that: described shear (7) comprises orientation barrel (71), fuel tank (72), oil pump (73), motor (74), first oil pipe (75), second oil pipe (76), cutter seat (77), cutter (78) and limited block (79), described fuel tank (72), oil pump (73) and motor (74) are fixedly installed on orientation barrel (71), described fuel tank (72) is connected with oil pump (73), described motor (74) is connected with oil pump (73), described orientation barrel (71) is axially through, described orientation barrel (71) inner side has the mounting groove corresponding with cutter seat (77), described cutter seat (77) is arranged in the mounting groove of orientation barrel (71), described cutter (78) is fixedly installed on cutter seat (77), described limited block (79) is fixedly installed on that the mounting groove opening part of orientation barrel (71) is corresponding with cutter seat (77) to be arranged, described first oil pipe (75) one end is connected the other end with oil pump (73) and extends in the mounting groove of orientation barrel (71), described second oil pipe (76) one end is connected the other end with fuel tank (72) and extends in the mounting groove of orientation barrel (71).
9. the fishing device that falls to restricting according to claim 7, is characterized in that: also comprise shoe (8), and described shoe (8) is fixedly installed on orientation barrel (71) and goes up and be positioned at orientation barrel (71) outside.
10. the fishing device that falls to restricting according to claim 9, it is characterized in that: described shoe (8) comprises wheel seat (81), spring (82) and anti-pulley (83), described anti-pulley (83) is arranged on wheel seat (81), and described spring (82) one end is fixedly connected with the other end with wheel seat (81) and is fixedly connected with orientation barrel (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521052262.9U CN205225133U (en) | 2015-12-17 | 2015-12-17 | Fishing device falls to restricting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521052262.9U CN205225133U (en) | 2015-12-17 | 2015-12-17 | Fishing device falls to restricting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225133U true CN205225133U (en) | 2016-05-11 |
Family
ID=55900207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521052262.9U Withdrawn - After Issue CN205225133U (en) | 2015-12-17 | 2015-12-17 | Fishing device falls to restricting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225133U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370232A (en) * | 2015-12-17 | 2016-03-02 | 李刚 | Fallen rope fishing device |
| CN110984896A (en) * | 2019-12-31 | 2020-04-10 | 中冶交通建设集团有限公司 | Tool for salvaging percussion bit of bored pile and construction method thereof |
-
2015
- 2015-12-17 CN CN201521052262.9U patent/CN205225133U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105370232A (en) * | 2015-12-17 | 2016-03-02 | 李刚 | Fallen rope fishing device |
| CN105370232B (en) * | 2015-12-17 | 2017-12-05 | 山东大东联石油设备有限公司 | Fall fishing device of restricting |
| CN110984896A (en) * | 2019-12-31 | 2020-04-10 | 中冶交通建设集团有限公司 | Tool for salvaging percussion bit of bored pile and construction method thereof |
| CN110984896B (en) * | 2019-12-31 | 2022-04-26 | 中冶交通建设集团有限公司 | Tool for salvaging percussion bit of bored pile and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105370232A (en) | Fallen rope fishing device | |
| CN201301678Y (en) | Bored pile drill bit picker | |
| CN106761521B (en) | A kind of mechanical throttle device fishing tool and its operating method | |
| CN106593341B (en) | A kind of hydraulic pressure throttler fishing tool and its operating method | |
| CN205225133U (en) | Fishing device falls to restricting | |
| CN110439492B (en) | Underground choke recycling device and method | |
| CN107780862B (en) | Fishing device for underground throttler | |
| CN105569600B (en) | A kind of downhole tubular thing fishing device | |
| CN207420519U (en) | Underground throttle device fishing device | |
| CN101709628A (en) | Drilling tool anti-dropping device and drilling tool anti-dropping method | |
| CN209228342U (en) | A kind of continuous lift ram mining device of responding curve of well formula | |
| CN111997556A (en) | Latch jack of claw formula rope coring drilling tool suitable for geological exploration | |
| CN109763785B (en) | Hydraulic anchoring device for heavy-duty fishing tool and application method thereof | |
| CN112943143B (en) | Hydraulic salvaging pipe column and salvaging method for coiled tubing of downhole choke | |
| CN107676054B (en) | Downhole choke fishing tool and operation method | |
| CN114482871A (en) | Drilling rod assembly convenient to salvage after fracture for oil exploitation | |
| CN201103361Y (en) | Salvaging device for down-hole remaining rubber | |
| CN216077052U (en) | Combined type fishable and drillable bridge plug | |
| CN212406646U (en) | Safe deblocking releasing device | |
| CN202417348U (en) | Anti-dropping device of drilling tool | |
| CN111827914B (en) | Combined fishing tool and fishing method for deep water karst environment inclined percussion drill bit | |
| CN201321827Y (en) | Anti-sticking hydraulic anchor capable of continuous operation | |
| CN203213988U (en) | Tool for recycling top packer | |
| CN103882850B (en) | A kind of hydraulic pressure is automatically de-hangs hammer device | |
| CN110617021B (en) | Water injection well blanking plug release fishing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160511 Effective date of abandoning: 20171205 |
|
| AV01 | Patent right actively abandoned |