CN203066917U - Elastic clamping mechanism applicable to while drilling coring - Google Patents
Elastic clamping mechanism applicable to while drilling coring Download PDFInfo
- Publication number
- CN203066917U CN203066917U CN 201220732002 CN201220732002U CN203066917U CN 203066917 U CN203066917 U CN 203066917U CN 201220732002 CN201220732002 CN 201220732002 CN 201220732002 U CN201220732002 U CN 201220732002U CN 203066917 U CN203066917 U CN 203066917U
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- Prior art keywords
- elastic clamping
- card
- bullet
- clamp
- recovery tube
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Abstract
The utility model discloses an elastic clamping mechanism applicable to while drilling coring and belongs to the field of design and manufacture technology of well drilling coring tools. The elastic clamping device comprises a recovery tube, an elastic clamping clamp, an elastic clamping seat, an elastic clamping frame and a hanging ring connector. The elastic clamping mechanism is arranged in an elastic clamping cavity. A tension spring is arranged on the elastic clamping clamp. One end of the elastic clamping frame is connected at the back end of the recovery tube, and the other end of the elastic clamping frame is connected with the hanging ring connector. The tail section of the elastic clamping clamp is fixed on the elastic clamping seat. The elastic clamping seat is fixed on the recovery tube and located between the elastic clamping clamp and the elastic clamping frame. A salvage spear of a salvage head is connected with the recovery tube through a third elastic cylindrical pin. When the elastic clamping mechanism is used for drilling or coring operation, the elastic clamping clamp can be accurately clamped on a table shoulder of the elastic clamping cavity, rights a construction assembly in a well, prevents the construction assembly from going upward, and ensures that construction operation goes smoothly.
Description
Technical field
The utility model relates to the construction tool in the oil and gas well drilling operation process, belongs to the design and manufacturing technology field of drilling and coring delivery instrument.
Background technology
Publication number is CN1730898, the Chinese patent literature that open day is on February 8th, 2006 discloses a kind of core-drilling system that uses in industries such as geological prospecting, oil drilling, Science Drilling, particularly the combined type core-drilling system of the downhole motor of the core-drilling in solid rock, deep hole and impactor driving.This system comprises coring tool and core bit, the lower end of coring tool is connected with core bit, also comprise downhole motor and impactor, the lower end of downhole motor driving shaft is connected with the upper end of impactor, the lower end of impactor is connected with the upper end of coring tool, downhole motor provides the detritus moment of torsion to coring tool and core bit, and impactor provides the detritus impact force to coring tool and core bit.This drilling system can not only core-drilling, and can energy conservation, reduce drill string wearing and tearing, improve round trip core-drilling length, prevent the hole deviation of holing.
Be the conventional core-drilling instrument of representative with above-mentioned patent documentation, no matter be bitubular coring tool, or special coring tool, because coring tool is connected on the drilling tool, so, after drilling through one section rock core, all drilling tool all to be taken out, could take out the rock core that drills through, and then be lowered to drilling tool and carry out drilling through of next section rock core, core if run into to be interrupted, also between coring for twice, be lowered to drill bit and drill string; Therefore traditional coring comparatively taken a lot of work.The shortcoming of present conventional coring tool is:
1, adopts conventional wire line coring instrument, implementing with drilling through in the heart and the drilling process, the coring tool of G.I.H or creep into the bushing instrument and can not be fixed in the drilling tool, therefore cause easily instrument on scurry, cause coring layer position is inaccurate, perhaps gives to creep into and brings difficulty.
2, adopt the coring tool be connected on the drilling tool to core and can cause drilling often, so labour intensity is big, the non-brill time is long, and the wearing and tearing the when chance of the unloading of drill bit in lifting process, collision and cleaning bottom of hole are more.Well is more dark, and drilling tool is more long, and this shortcoming is more obvious.
Summary of the invention
In order to overcome the deficiency of present conventional wire line coring instrument, the utility model proposes and a kind ofly can realize coring and creep into being applicable to the bullet mechanism for card that drills through the heart of hocketing comprehensively, the utility model is being implemented to creep into or during coring operation, on the shoulder that is stuck in bullet card cavity that the bullet clamp that arrange can be correct, construction assembly in the well is set upright, and can prevent from scurrying on it, guarantee that construction operation carries out smoothly.
The utility model is realized by adopting following technical proposals:
A kind of being applicable to the bullet mechanism for card that drills through the heart is characterized in that: comprise recovery tube, play clamp, play deck, bullet card frame and link joint play mechanism for card and are arranged in the bullet card cavity; Play clamp and be provided with tension spring, one end of bullet card frame is connected the rear end of recovery tube, the other end is connected with the link joint, the rear that plays clamp is fixed on and plays on the deck, playing deck is fixed on the recovery tube, play deck and playing between clamp and the bullet card frame, elastic cylindrical pin three connections are passed through in dragging for of fishing head between lance seat and the recovery tube.
Described bullet mechanism for card also includes straight pin, elastic cylindrical pin four and elastic cylindrical pin five, the rear that elastic cylindrical pin four will play clamp is fixed on the bullet deck, play deck and be fixed on the recovery tube through straight pin, elastic cylindrical pin five passes the oval pin-and-hole of recovery tube and bullet card frame bullet card frame is implemented the location.
When implementing to core construction, the link joint that plays mechanism for card connects rotating mechanism.
When implementing drilling construction, the link joint that plays mechanism for card connects bushing bar assembly.
Compared with prior art, the beneficial effect that reaches of the utility model is as follows:
1, when enforcement is crept into or implemented coring operation, on the shoulder that is stuck in bullet card cavity that the bullet clamp of setting can both be correct, the construction assembly in the well is set upright, and can be prevented from scurrying on it, guarantee that construction operation carries out smoothly.
2, in the utility model, adopt the so specific connector of elastic cylindrical pin to connect each parts, make the utility model possess better elastic and anti-shearing force.
Description of drawings
The utility model is described in further detail below in conjunction with specification drawings and specific embodiments, wherein:
Fig. 1 is the structural representation of fishing socket.
Fig. 2 is that the utility model is used with drill through the instrument connection diagram that enforcement is crept in the heart drilling system comprehensively.
Fig. 3 is the structural representation of fishing head.
Fig. 4 is the connection diagram of fishing socket and fishing head.
Fig. 5 is the structural representation that plays mechanism for card.
Fig. 6 is with the structural representation that drills through bushing bar assembly in the heart drilling system.
Mark among the figure:
1, drop handle, 2, pressure cap, 3, thrust bearing, 4, pad, 5, stop washer, 6, nut, 7, transit joint, 8, safety pin, 9, cut off joint, 10, take off the card tube, 11, sleeve, 12, pull bar, 13, the crowfoot frame, 14, the compression spring, 15, crowfoot, 16, elastic cylindrical pin one, 17, top connection 18, salvaging mechanism, 19, play clamp, 20, bullet card cavity, 21, bushing bar assembly, 23, drag for spearhead, 24, spring, 25, spring base, 26, elastic cylindrical pin two, 27, drag for the lance seat, 28, elastic cylindrical pin three, 29, recovery tube, 30, tension spring, 31, elastic cylindrical pin four, 32, straight pin, 33, play deck, 34, elastic cylindrical pin five, 35, bullet card frame, 36, the link joint, 37, bushing bar assembly, 38, last bushing bar, 39, following bushing bar, 40, the bushing drill bit, 41, fishing head.
The specific embodiment
Embodiment 1
As preferred forms of the present utility model, referring to Figure of description 1, accompanying drawing 3, accompanying drawing 4 and accompanying drawing 5, bushing mechanism mainly constitutes by playing mechanism for card, bushing bar assembly and bushing drill bit, play mechanism for card and comprise recovery tube, play clamp, play deck, bullet card frame and link joint play mechanism for card and are arranged in the bullet card cavity; Play clamp and be provided with tension spring, one end of bullet card frame is connected the rear end of recovery tube, the other end is connected with the link joint, the rear that plays clamp is fixed on and plays on the deck, playing deck is fixed on the recovery tube, play deck and playing between clamp and the bullet card frame, drag between lance seat and the recovery tube by elastic cylindrical pin three connections.Described bullet mechanism for card also includes straight pin, elastic cylindrical pin four and elastic cylindrical pin five, the rear that elastic cylindrical pin four will play clamp is fixed on the bullet deck, play deck and be fixed on the recovery tube through straight pin, elastic cylindrical pin five passes the oval pin-and-hole of recovery tube and bullet card frame bullet card frame is implemented the location.
When implementing to core construction, the link joint that plays mechanism for card connects rotating mechanism.
When implementing drilling construction, the link joint that plays mechanism for card connects bushing bar assembly.
Embodiment 2
The utility model is applied to in the drilling system that drills through the heart, and its concrete mode is as follows:
One, structural group becomes:
With reference to Figure of description 1-6, it comprises salvaging mechanism, plays mechanism for card, bushing bar assembly and bushing drill bit.
1. salvaging mechanism:
Salvaging mechanism comprises fishing socket and fishing head 41, is provided with drop handle 1 in the fishing socket, takes off card tube 10, sleeve 11, pull bar 12, crowfoot frame 13 and crowfoot 15; Be provided with pressure cap 2, thrust bearing 3, pad 4, stop washer 5, transit joint 7, safety pin 8 and cut off joint 9 between drop handle 1 and sleeve 11, stop washer 5 is fixing by nut 6, is provided with elastic cylindrical pin 1 between crowfoot 15 and crowfoot frame 13;
Its connected mode is as follows: after the endoporus of pressure cap 2 was passed in the lower end of drop handle 1, thrust bearing 3, the stop washer 5 of appear on the stage terrace and lower end by drop handle 1 were fixed; Transit joint 7 and pressure cap 2 are by being threaded; Transit joint 7 with cut off joint 9 and be connected by safety pin 8; Cut off joint 9 and sleeve 11 by being threaded, crowfoot frame 13 and pull bar 12 are by being threaded; Crowfoot 15 is connected on the crowfoot frame 13 by elastic cylindrical pin 1, and there is connecting thread the upper end of crowfoot frame 13; When this mechanism for implementing was salvaged, upper end drop handle 1 was connected with wire rope, and the crowfoot 15 of lower end fishing socket is connected with the spearhead 23 that drags in the fishing head group; When instrument is transferred to the shaft bottom need of work and is taken off card, leave behind to the down-hole from ground and to take off card tube 10, owing to take off the external diameter of card tube 10 greater than the external diameter of sleeve 10, therefore, under the gravity effect, take off card tube 10 and can glide, and be enclosed within the tail end of crowfoot 15, compression spring 14 opens the front end of crowfoot 15, presses off the purpose that crowfoot is realized unhook until the lower end.
Its connected mode is as follows: spring 24 is loaded in the spring base 25, and spring 24 and spring base 25 are contained in jointly and drag in the spearhead 23, drags for spearhead 23 and drags for lance seat 27 and be connected by the elastic cylinder tip 2 26.
The fishing socket of salvaging mechanism and fishing head mainly are the raising and decentralizing of two kinds of tool assemblies of realization when changing with the bushing drill bit that drills through heart instrument and creep into comprehensively.
2. bullet mechanism for card:
Described bullet mechanism for card comprises: recovery tube 29, bullet clamp 19 and bullet deck 33, bullet card frame 35, link joint 36, and straight pin 32, elastic cylindrical pin 4 31 and 34 plays mechanism for card and is arranged in the bullet card cavity 20; Between bullet clamp 19, be provided with tension spring 30, one end of bullet card frame 35 is connected the rear end of recovery tube 29, the other end is connected with link joint 36, elastic cylindrical pin 4 31 is connected and fixed the tail end that plays clamp 19, and elastic cylindrical pin 5 34 passes the oval pin-and-hole of recovery tube 29 and bullet card frame 35 bullet card frame 35 is implemented the location;
Its connected mode is as follows: recovery tube 29, bullet clamp 19 and bullet deck 33 are connected on the bullet card frame 35 by elastic cylindrical pin 4 31; Link joint 36 and bullet card frame 35 are by being threaded; Play mechanism for card and be arranged in the bullet card cavity 20, upper end recovery tube 29 is connected with the lance seat 27 that drags for of salvaging mechanism by pin, and the lower end connects by screw thread and bushing bar assembly, connects the effect that plays mechanism for card and is the bushing assembly is set upright, and prevent from scurrying on it.
3. bushing bar assembly:
Described bushing mechanism comprises bushing bar assembly 37 and bushing drill bit 40, bushing bar assembly 37 is made up of last bushing bar 38 and following bushing bar 39, last bushing bar 38 and following bushing bar 39 are middle by being threaded, at the following bushing bar 39 of bushing bar assembly 37 is by the bushing drill bit 40 that is threaded foremost, the tooth-shape structure of bushing drill bit 40 front ends and the engagement of the tooth-shape structure of special-purpose wire line core bit inner chamber can realize the transmission of moment of torsion; The lower end of the last bushing bar 38 of bushing bar assembly 37 connects bushing bar 39 down, and the internal thread of last bushing bar 38 is connected with the external screw thread of the link joint 36 that plays mechanism for card.
Two, the installation order of connection of the present utility model is as follows:
At first on ground described salvaging mechanism, bullet mechanism for card and bushing bar assembly are assembled.
1. the assembling sequence of salvaging mechanism, salvaging mechanism comprises fishing socket and fishing head:
The installation of fishing socket be connected as follows: at first install drop handle 1, pressure cap 2, thrust bearing 3 and stop washer 5 by figure; Then pull bar 12 is put into the lower end of sleeve 11, connected by the pressure cap 2 that is threaded, transit joint 7, sleeve 11 successively; Again crowfoot 15 is packed in the crowfoot frame 13 by elastic cylindrical pin 1 and spring 14, at last crowfoot frame 13 and pull bar 12 by being threaded; After drilling tool arrives the shaft bottom, just leave behind from ground and take off card tube 10, under the gravity effect, press off crowfoot 15;
The installation of fishing head group is as follows: at first, with spring 24 spring base 25 of packing into, the two is packed into together drag in the spearhead 23 again, with the elastic cylinder tip 2 26 dragging for spearhead 23 and dragging for lance seat 27 and be connected.
2. play the assembling sequence of mechanism for card: be connected with bullet card frame 35 playing deck 33 with straight pin 32, playing clamp 19 to two with elastic cylindrical pin 4 31 is connected with bullet card frame 35, two play the two ends that clamp 19 are connected to tension spring 30, with elastic cylindrical pin 5 34 recovery tube 29 are connected with bullet card frame 35 again;
3. the assembling sequence of bushing bar assembly: formed by last bushing bar 38 and following bushing bar 39, between last bushing bar 38 and the following bushing bar 39 by being threaded, at the bushing of the connection foremost drill bit 40 that descends bushing bar 39;
When creeping into, bushing mechanism upper end is connected with the bullet card frame 35 that plays mechanism for card by screw thread comprehensively, and the tooth-shape structure of the bushing drill bit 40 that the lower end connects meshes with tooth-shape structure with the special-purpose core bit inner chamber of brill.
Three, operating principle of the present utility model is as follows:
Workflow of the present utility model comprises coring operation and creeps into two flow processs of operation.
Coring operation flow process: when implementing coring operation, coring tool connects salvaging mechanism from top to bottom successively, plays mechanism for card, rotates assembly and the mechanism that cores at the assembly of drilling tool inside, the rotation assembly can be used existing rotating mechanism, is creeping into Shi Buxu connection rotation assembly.Earlier the coring tool that connects is connected the lower end of fishing tool, be lowered in the drilling tool with wire rope again, arrive the shaft bottom after, will take off card tins 10 again and leave behind from aboveground, owing to take off the external diameter of card tube 10 greater than the external diameter of sleeve 10, therefore, under the gravity effect, take off card tube 10 and can glide, and be enclosed within the tail end of crowfoot 15, compression spring 14 opens the front end of crowfoot 15, presses off the purpose that crowfoot is realized unhook until the lower end, and salvaging mechanism is proposed ground.
Creep into work flow: when needs creep into comprehensively, transfer salvaging mechanism by wire rope, after salvaging mechanism arrives the shaft bottom, crowfoot 15 is being stuck in the dragging on the spearhead 23 of fishing head under the effect of spring 14, carry wire rope then, take out the assembly of coring when implementing coring operation, then the rotation assembly and the coring tool that play below the mechanism for card are taken off, then with bushing bar assembly and bullet card frame 35 by being threaded, put into well under the instrument that will reconnect again, because the lower end of the following bushing bar 39 of bushing bar composite member is connected with bushing drill bit 40, and the tooth-shape structure of bushing drill bit 40 with mesh with the tooth-shape structure that bores special-purpose core bit inner chamber, can realize the transmission of moment of torsion, so can realize the hollow structure of special-purpose wire line core bit is filled up, change into comprehensive Drilling bore bit by coring; The effect that play clamp 19 this moment is the lower surface that props up bullet card cavity 20, can prevent from scurrying on the internal component;
When needing to implement coring operation again, with wire rope with the salvaging mechanism G.I.H, pull comprehensive drilling mechanism out ground, connect salvaging mechanism again successively, play mechanism for card, rotation assembly and the mechanism that cores, again the coring tool that connects is lowered in the drilling tool with wire rope, after arriving the shaft bottom, to take off card tube 10 again leaves behind from aboveground, under the gravity effect, take off the tail end that card tube 10 glides and is enclosed within crowfoot 15, compression spring 14 opens the front end of crowfoot 15, presses off the purpose that crowfoot is realized unhook until the lower end, and salvaging mechanism is proposed ground, and then drive rotating disk, add the pressure of the drill, carry out core-drilling until required coring footage, and circulate to realize not pulling out of hole with this and repeatedly core and the alternately operating that creeps into.
Claims (4)
1. one kind is applicable to the bullet mechanism for card that drills through the heart, it is characterized in that: comprise recovery tube (29), play clamp, play deck (33), bullet card frame (35) and link joint (36) play mechanism for card and are arranged in the bullet card cavity; Play clamp and be provided with tension spring (30), one end of bullet card frame (35) is connected the rear end of recovery tube (29), the other end is connected with link joint (36), the rear that plays clamp is fixed on and plays on the deck (33), playing deck (33) is fixed on the recovery tube (29), play deck (33) and be positioned between bullet clamp and the bullet card frame (35), drag between lance seat and the recovery tube (29) by elastic cylindrical pin three (28) connections.
2. a kind of being applicable to the bullet mechanism for card that drills through the heart according to claim 1, it is characterized in that: described bullet mechanism for card also includes straight pin, elastic cylindrical pin four (31) and elastic cylindrical pin five (34), the rear that elastic cylindrical pin four (31) will play clamp is fixed on and plays on the deck (33), play deck (33) and be fixed on the recovery tube (29) through straight pin, elastic cylindrical pin five (34) passes the oval pin-and-hole of recovery tube (29) and bullet card frame (35) bullet card frame (35) is implemented the location.
3. a kind of being applicable to the bullet mechanism for card that drills through the heart according to claim 1 and 2 is characterized in that: link joint (36) the connection rotating mechanism that plays mechanism for card.
4. a kind of being applicable to the bullet mechanism for card that drills through the heart according to claim 1 and 2 is characterized in that: link joint (36) the connection bushing bar assembly that plays mechanism for card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220732002 CN203066917U (en) | 2012-12-27 | 2012-12-27 | Elastic clamping mechanism applicable to while drilling coring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220732002 CN203066917U (en) | 2012-12-27 | 2012-12-27 | Elastic clamping mechanism applicable to while drilling coring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203066917U true CN203066917U (en) | 2013-07-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220732002 Expired - Lifetime CN203066917U (en) | 2012-12-27 | 2012-12-27 | Elastic clamping mechanism applicable to while drilling coring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203066917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884626A (en) * | 2017-02-28 | 2017-06-23 | 中国地质科学院勘探技术研究所 | A kind of two-tube drilling tool detent mechanism of anti-dieback formula |
| CN111706281A (en) * | 2020-06-17 | 2020-09-25 | 中国地质科学院勘探技术研究所 | Rope coring drilling tool |
-
2012
- 2012-12-27 CN CN 201220732002 patent/CN203066917U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884626A (en) * | 2017-02-28 | 2017-06-23 | 中国地质科学院勘探技术研究所 | A kind of two-tube drilling tool detent mechanism of anti-dieback formula |
| CN111706281A (en) * | 2020-06-17 | 2020-09-25 | 中国地质科学院勘探技术研究所 | Rope coring drilling tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
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| CX01 | Expiry of patent term |