CN103015931B - The system of coring of coring with drilling - Google Patents
The system of coring of coring with drilling Download PDFInfo
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- CN103015931B CN103015931B CN201210577796.8A CN201210577796A CN103015931B CN 103015931 B CN103015931 B CN 103015931B CN 201210577796 A CN201210577796 A CN 201210577796A CN 103015931 B CN103015931 B CN 103015931B
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Abstract
The invention discloses a kind of system of coring of coring with drilling, belong to the design and manufacturing technology field of drilling and coring delivery instrument.Comprise salvaging mechanism and to core mechanism, described in the mechanism that cores form primarily of bullet mechanism for card and rotating mechanism, described rotating mechanism comprises bearing box, axle and adjustment cap; The upper end of axle is fixed in bearing box through bearing; The lower end of axle to be arranged in adjustment cap and to be threaded with adjustment cap, and the axle lower end being arranged in adjustment cap is provided with single current valve seat, plum blossom baffle plate and brake hoop, and described brake hoop is fixed by pressure cap one, and single current valve seat is provided with steel ball; Adjustment cap is connected with described bullet mechanism for card.The present invention's alternately enforcement that can realize not pulling out of hole is crept into and cores, and has saved the time, has improve efficiency.
Description
Technical field
The present invention relates to the construction tool in oil and gas well drilling operation process, belong to the design and manufacturing technology field of drilling and coring delivery instrument.
Background technology
Publication number is CN1730898, publication date is that the Chinese patent literature on February 8th, 2006 discloses a kind of core-drilling system used in the industries such as geological prospecting, oil drilling, Science Drilling, the combined type core-drilling system that the downhole motor of the core-drilling particularly in solid rock, deep hole and impactor drive.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 detritus moment of torsion to coring tool and core bit, and impactor provides 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 hole deviation of holing.
With the conventional core-drilling instrument that above-mentioned patent document is representative, no matter be bitubular coring tool, or special coring tool, because coring tool is connected on drilling tool, so, all drilling tool all to be taken out after drilling through one section of rock core, the rock core drilled through could be taken out, and then under enter drilling tool and carry out drilling through of next section of rock core, core if run into interruption, under between also will coring at twice, enter a drill bit and drill string; Therefore traditional comparatively bothersome taking a lot of work of coring.The shortcoming of current normal core-extracting tool is:
1, drilling often, and therefore labour intensity is large, and the non-brill time is long, and the wearing and tearing when chance of the unloading of drill bit in lifting process, collision and cleaning bottom of hole are more.Well is darker, and drilling tool is longer, and this shortcoming is more obvious.
2, or the core region a little not easily determined restive on stratum, adopts normal core-extracting tool easily to leak coring
3, interlayer core and continuous coring time, the most of the time is used for making a trip, and efficiency of coring is low.
4, rock core open-assembly time is long, affects core quality, and particularly when shale formation is cored, conventional shale CORING TECHNOLOGY is long due to the trip time, adopts existing conventional CORING TECHNOLOGY shale gas to be not easy to retain, is difficult to obtain real geologic information.
Summary of the invention
In order to overcome the deficiencies such as number of times is too many, interlayer is cored and continuous coring efficiency is low, core quality is poor that make a trip of current normal core-extracting tool, the present invention proposes a kind of system of coring being applicable to coring with drilling, the alternately enforcement that can realize not pulling out of hole is crept into and cores, save the time, improve efficiency.
The present invention realizes by adopting following technical proposals:
A system of coring for coring with drilling, comprises salvaging mechanism and to core mechanism, it is characterized in that: described in the mechanism that cores form primarily of bullet mechanism for card and rotating mechanism, described rotating mechanism comprises bearing box, axle and adjustment cap; The upper end of axle is fixed in bearing box through bearing; The lower end of axle to be arranged in adjustment cap and to be threaded with adjustment cap, and the axle lower end being arranged in adjustment cap is provided with single current valve seat, plum blossom baffle plate and brake hoop, and described brake hoop is fixed by pressure cap one, and single current valve seat is provided with steel ball; Adjustment cap is connected with described bullet mechanism for card.
Bearing is placed in the step place that axle upper end is arranged, and the upper head cover in the outside of bearing near axle has semi-ring, and on semi-ring, cover has axial steel wire back-up ring.
Plum blossom plate washer is fixed by welding in the step place of inside, axle lower end, and single current valve seat is by be threaded in termination, axle lower end and to weld; Pressure cap one is connected with spindle thread, and brake hoop is coordinated by keyway and is connected with axle, and brake hoop is between pressure cap and adjustment cap.
Adjustment cap upper end is provided with the breach coordinated with brake hoop projection.
The inwall of plum blossom plate washer, steel ball, single current valve seat and axle lower end forms pressure relief device.
The upper end of bearing box, semi-ring, axial steel wire back-up ring, bearing and axle forms whirligig.
The outer wall of pressure cap, brake hoop, adjustment cap and axle lower end forms inner core slack adjuster.
Described bullet mechanism for card comprises recovery tube, plays clamp, plays deck, plays card holder and link joint, plays mechanism for card and is arranged in bullet card cavity; Bullet clamp are provided with tension spring, the one end playing card holder is connected to the rear end of recovery tube, the other end is connected with link joint, the rear playing clamp is fixed on and plays on deck, playing deck is fixed on recovery tube, play deck between bullet clamp and bullet card holder, dragging between lance seat and recovery tube of salvaging mechanism is connected by elastic cylindrical pin three.
Described bullet mechanism for card also includes straight pin, elastic cylindrical pin four and elastic cylindrical pin five, the rear playing clamp is fixed on and plays on deck by elastic cylindrical pin four, playing deck is fixed on recovery tube through straight pin, and elastic cylindrical pin five implements location through the oval pinhole of recovery tube and bullet card holder to bullet card holder.
Described salvaging mechanism is formed primarily of fishing socket and fishing head; Drop handle, de-card cylinder, sleeve, pull bar, crowfoot frame and crowfoot is provided with in described fishing socket; Be provided with in pressure cap, thrust bearing, stop washer and transit joint, sleeve to be provided with between drop handle and sleeve and cut off joint; Wherein: one end of drop handle is fixed through pressure cap and thrust bearing and stop washer, and transit joint is connected with pressure cap, transit joint with cut off joint and be connected; Cut off joint and sleeve connection, crowfoot frame is connected with pull bar; Crowfoot is connected on crowfoot frame, and the end of crowfoot is provided with Compress Spring, and there is connecting thread one end of crowfoot frame; De-card jacket casing is in the outside of sleeve, and one end of de-card cylinder is enclosed within the tail end of crowfoot; Fishing head comprises and drags for spearhead and drag for lance seat, and be provided with spring dragging for spearhead and drag between lance seat, spring is arranged in spring base, and spring and spring base are contained in and drag in spearhead, drags for spearhead and drags for lance seat and be connected and fixed; Described crowfoot is connected with the spearhead that drags for of fishing head; Drag for the recovery tube that lance seat tail end connects described bushing mechanism.
Described salvaging mechanism also includes the pad between thrust bearing and stop washer, and stop washer and pad are fixed through nut.
Described transit joint and pressure cap are threaded connection, transit joint with cut off joint and be connected by safety pin, cut off joint and sleeve is threaded connection, crowfoot frame and pull bar are threaded connection; Crowfoot is connected on crowfoot frame by elastic cylindrical pin one, drags for spearhead and drag for lance seat to be connected and fixed by elastic cylindrical pin two.
When creeping into, described bullet mechanism for card, bushing bar assembly and bushing drill bit form bushing mechanism, described bushing bar assembly is primarily of upper bushing bar and lower bushing bar composition, one end and the upper bushing bar of lower bushing bar are threaded connection, the other end connecting core drill bit of lower bushing bar, the termination of bushing drill bit is provided with the tooth-shape structure with wire line core bit inner chamber engagement fit, and one end of described upper bushing bar connects the link joint playing mechanism for card.
One end of described upper bushing bar has internal thread, and internal thread is connected with the external screw thread playing mechanism for card link joint.
Compared with prior art, the beneficial effect that reaches of the present invention is as follows:
1, in the present invention, " rotating mechanism comprises bearing box, axle and adjustment cap for the system of coring, particularly employing of the coring with drilling adopting salvaging mechanism to be formed with the mechanism that cores; The upper end of axle is fixed in bearing box through bearing; The lower end of axle to be arranged in adjustment cap and to be threaded with adjustment cap, and the axle lower end being arranged in adjustment cap is provided with single current valve seat, plum blossom baffle plate and brake hoop, and described brake hoop is fixed by pressure cap one, and single current valve seat is provided with steel ball; Adjustment cap is connected with described bullet mechanism for card " like this rotating mechanism of ad hoc structure be applied to and core in mechanism; achieve and " self contained function of inner core can be realized when coring, urceolus rotates under driven by rotary disc, and coring inner drum does not and then rotate, so that entering of rock core " technique effect; achieving the alternately enforcement that do not pull out of hole and creep into and core, having saved the time, improve efficiency.
2, in the present invention, adopt the technical scheme that " bearing is placed in the step place that axle upper end is arranged; the upper head cover in the outside of bearing near axle has semi-ring; on semi-ring, cover has axial steel wire back-up ring " is such, axle is convenient to be securely fixed in bearing box by bearing, by semi-ring and axial steel wire back-up ring, can prevent bearing and axle from departing from; Simultaneously, the upper end of bearing box, semi-ring, axial steel wire back-up ring, bearing and axle forms whirligig, when urceolus starts to rotate time, because the bullet caliper lock in bullet mechanism for card, bullet mechanism for card and bearing box can be made to rotate together along with urceolus, again because the effect of bearing, make connected axle and can not be rotated together with urceolus by the inner core that adjustment cap and axle connect, so that the entering of rock core.
3, in the present invention, adopt that " plum blossom plate washer is fixed by welding in the step place of inside, axle lower end, and single current valve seat is by be threaded in termination, axle lower end and to weld; Pressure cap one is connected with spindle thread, brake hoop is coordinated by keyway and is connected with axle, brake hoop is between pressure cap and adjustment cap " such technical scheme; brake hoop to be just pressed in axle and to be close to adjustment cap by pressure cap in the axial direction, and brake hoop coordinates the braking effect that just can realize axle with axle by keyway; Simultaneously, the inwall of plum blossom plate washer, steel ball, single current valve seat and axle lower end forms pressure relief device, after turn on pump, along with rock core enters inner core, wherein drilling fluid under the extruding of rock core on move, backed down from single current valve seat by steel ball, drilling fluid, from the runner efferent tract inner/outer tube annular space of axle, just achieves circulation; The outer wall of pressure cap, brake hoop, adjustment cap and axle lower end forms inner core slack adjuster, can adjust axial gap on the one hand, just fixes by brake hoop and axle on the other hand after adjustment.
4, in the present invention, the bullet mechanism for card adopted, when implementing creep into or implement coring operation, on the shoulder being stuck in bullet card cavity that the bullet clamp arranged can be correct, righting is carried out to the construction assembly in well, and can prevent from it is altered, ensure that construction operation carries out smoothly.
5, in the present invention, salvaging mechanism adopts, and " salvaging mechanism is formed primarily of fishing socket and fishing head; Drop handle, de-card cylinder, sleeve, pull bar, crowfoot frame and crowfoot is provided with in described fishing socket; Be provided with in pressure cap, thrust bearing, stop washer and transit joint, sleeve to be provided with between drop handle and sleeve and cut off joint; Wherein: one end of drop handle is fixed through pressure cap and thrust bearing and stop washer, and transit joint is connected with pressure cap, transit joint with cut off joint and be connected; Cut off joint and sleeve connection, crowfoot frame is connected with pull bar; Crowfoot is connected on crowfoot frame, and there is connecting thread one end of crowfoot frame; De-card jacket casing is in the outside of sleeve, and one end of de-card cylinder is enclosed within the tail end of crowfoot " so specific form of structure, employing rope type puts and puts, the alternately enforcement that can realize not pulling out of hole is crept into and cores, and has saved the time, has improve efficiency.
6, the present invention, salvaging mechanism also includes the pad between thrust bearing and stop washer, and stop washer and pad are fixed through nut, by increasing pad, fixing more firm with thrust bearing and stop washer that can make drop handle, and the stopping effect that stop washer plays is better.
7, in the present invention, adopt the so specific connector of elastic cylindrical pin to connect all parts, make the present invention possess good elasticity and anti-shearing force.
8, in the present invention, adjustment cap upper end is provided with the breach coordinated with brake hoop projection, is convenient to that brake hoop is connected with adjustment cap more tight, firm, and enhances braking effect.
Accompanying drawing explanation
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of fishing socket.
Fig. 2 is the connection diagram of the invention process when coring.
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 playing mechanism for card.
Fig. 6 is the structural representation of bushing bar assembly.
Fig. 7 is the structural representation of rotating mechanism.
Mark in 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, de-card cylinder, 11, sleeve, 12, pull bar, 13, crowfoot frame, 14, Compress Spring, 15, crowfoot, 16, elastic cylindrical pin one, 17, top connection, 18, salvaging mechanism, 19, play clamp, 20, bullet card cavity, 23, drag for spearhead, 24, spring, 25, spring base, 26, elastic cylindrical pin two, 27, drag for 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, play card holder, 36, link joint, 37, bushing bar assembly, 38, upper bushing bar, 39, lower bushing bar, 40, bushing drill bit, 41, fishing head, 51, bearing box, 52, semi-ring, 53, axial steel wire back-up ring, 54, bearing, 55, axle, 56, pressure cap one, 57, brake hoop, 58, plum blossom baffle plate, 59, steel ball, 60, single current valve seat, 61, adjustment cap, 64, play mechanism for card, 65, rotating mechanism, 66, breach.
Detailed description of the invention
embodiment 1
See Figure of description 2 and 7, the invention discloses a kind of system of coring of coring with drilling, comprise salvaging mechanism and to core mechanism, described in the mechanism that cores form primarily of bullet mechanism for card and rotating mechanism, described rotating mechanism comprises bearing box, axle and adjustment cap; The upper end of axle is fixed in bearing box through bearing; The lower end of axle to be arranged in adjustment cap and to be threaded with adjustment cap, and the axle lower end being arranged in adjustment cap is provided with single current valve seat, plum blossom baffle plate and brake hoop, and described brake hoop is fixed by pressure cap one, and single current valve seat is provided with steel ball; Adjustment cap is connected with described bullet mechanism for card.
In this example, the salvaging mechanism adopted, play the prior art that is well known to those skilled in the art of mechanism for card, directly by the rotating mechanism of this example and existing salvaging mechanism, play mechanism for card and be combined.
embodiment 2
As the present invention one better embodiment, the present invention also comprises the step place that bearing is placed in the setting of axle upper end, and the upper head cover in the outside of bearing near axle has semi-ring, and on semi-ring, cover has axial steel wire back-up ring.Plum blossom plate washer is fixed by welding in the step place of inside, axle lower end, and single current valve seat is by be threaded in termination, axle lower end and to weld; Pressure cap one is connected with spindle thread, and brake hoop is coordinated by keyway and is connected with axle, and brake hoop is between pressure cap and adjustment cap.Adjustment cap upper end is provided with the breach coordinated with brake hoop projection.Described bullet mechanism for card comprises recovery tube, plays clamp, plays deck, plays card holder and link joint, plays mechanism for card and is arranged in bullet card cavity; Bullet clamp are provided with tension spring, the one end playing card holder is connected to the rear end of recovery tube, the other end is connected with link joint, the rear playing clamp is fixed on and plays on deck, playing deck is fixed on recovery tube, play deck between bullet clamp and bullet card holder, dragging between lance seat and recovery tube of salvaging mechanism is connected by elastic cylindrical pin three.Described bullet mechanism for card also includes straight pin, elastic cylindrical pin four and elastic cylindrical pin five, the rear playing clamp is fixed on and plays on deck by elastic cylindrical pin four, playing deck is fixed on recovery tube through straight pin, and elastic cylindrical pin five implements location through the oval pinhole of recovery tube and bullet card holder to bullet card holder.All the other are with embodiment 1.
The assembling sequence of rotating mechanism: first plum blossom plate washer be directly put into the step place of axle lower end and weld, putting into steel ball, screws in axle and firm welding by screw thread single current valve seat; Then pressure cap one is threadedly attached to the position of axle lower end, coordinated brake hoop and axle good by keyway, and be close to pressure cap one, be then threaded connection lower end inner core adjustment cap being spun on axle, and make it the breach of upper end and the male cooperation of brake hoop lower end; Last bearing box is inserted in the upper end of axle, then bearing is put into the step place that bearing is put in axle upper end, finally loads onto semi-ring and axial steel wire back-up ring.
The upper end of bearing box, semi-ring, axial steel wire back-up ring, bearing and axle forms whirligig, when urceolus starts to rotate time, because the bullet caliper lock in bullet mechanism for card, bullet mechanism for card and bearing box can be made to rotate together along with urceolus, again because the effect of bearing, make connected axle and can not be rotated together with urceolus by the inner core that adjustment cap and axle connect, so that the entering of rock core.
The inwall of plum blossom plate washer, steel ball, single current valve seat and axle lower end forms pressure relief device, after turn on pump, along with rock core enters inner core, wherein drilling fluid under the extruding of rock core on move, backed down from single current valve seat by steel ball, drilling fluid, from the runner efferent tract inner/outer tube annular space of axle, just achieves circulation.
The outer wall of pressure cap, brake hoop, adjustment cap and axle lower end forms inner core slack adjuster, can adjust axial gap on the one hand, just fixes by brake hoop and axle on the other hand after adjustment.
The adjustment axial gap axial clearance of shoulder (in core grabber seat bottom surface and the drill bit) is 8 ~ 13 millimeters, otherwise, must adjusting play on assembly rotated, shown in method example:
If recording gap is 4mm, gap is adjusted to 10mm, then pressure cap one is loosened also whiz 5-6 and enclose, extract brake hoop, dextrorotation adjustment cap two is enclosed; If record gap 20mm, gap is adjusted to 11mm, then derotation adjustment cap three is enclosed, and then brake hoop and adjustment cap is taken a seat, and screws pressure cap one.
embodiment 3
As preferred forms of the present invention, see Figure of description 1-7, the invention discloses a kind of system of coring of coring with drilling:
one, its structure consists of:
With reference to Figure of description 1-7, it comprises salvaging mechanism, plays mechanism for card, bushing bar assembly and bushing drill bit (when creeping into) or rotating mechanism (when coring).
1. salvaging mechanism:
Salvaging mechanism comprises fishing socket and fishing head 41, is provided with drop handle 1, de-card cylinder 10, sleeve 11, pull bar 12, crowfoot frame 13 and crowfoot 15 in fishing socket; Between drop handle 1 and sleeve 11, 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, stop washer 5 is fixed by nut 6, is provided with elastic cylindrical pin 1 between crowfoot 15 and crowfoot frame 13;
Its connected mode is as follows: the lower end of drop handle 1, through after the endoporus of pressure cap 2, is fixed by the thrust bearing 3 of appear on the stage terrace and the lower end of drop handle 1, stop washer 5; Transit joint 7 and pressure cap 2 are threaded connection; Transit joint 7 with cut off joint 9 and be connected by safety pin 8; Cut off joint 9 and sleeve 11 is threaded connection, crowfoot frame 13 and pull bar 12 are threaded connection; Crowfoot 15 is connected on 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 is salvaged, upper end drop handle 1 is connected with wire rope, and the crowfoot 15 of lower end fishing socket is connected with the spearhead 23 that drags for salvaged in head group; When shaft bottom need of work de-card transferred to by instrument, de-card cylinder 10 is left behind from ground to down-hole, external diameter due to de-card cylinder 10 is greater than the external diameter of sleeve 10, therefore, under gravity, de-card cylinder 10 can glide, and is enclosed within the tail end of crowfoot 15, Compress Spring 14 makes the front end of crowfoot 15 open, until lower end presses off the object that crowfoot realizes breaking off relations.
Fishing head 41 comprises and drags for spearhead 23 and drag for lance seat 27, and be provided with spring 24 dragging for spearhead 23 and drag between lance seat 27, spring 24 is arranged in spring base 25; Dragging for spearhead 23 and drag for lance seat 27 and be connected and fixed by elastic cylindrical pin 2 26, in the pin-and-hole dragging for lance seat 27 tail end, be provided with elastic cylindrical pin 3 28, dragging for lance seat 27 and recovery tube 29 for connecting;
Its connected mode is as follows: spring 24 is loaded in spring base 25, and spring 24 and spring base 25 are jointly contained in and drag in spearhead 23, drags for spearhead 23 and drags for lance seat 27 and be connected by elastic cylindrical pin 2 26.
The fishing socket of salvaging mechanism and fishing head mainly realize raising and decentralizing of two kinds of tool assemblies when changing the bushing drill bit of coring with drilling instrument and total cost management.
2. play mechanism for card:
Described bullet mechanism for card comprises: recovery tube 29, bullet clamp 19 and bullet deck 33, bullet card holder 35, link joint 36, straight pin 32, and elastic cylindrical pin 4 31 and 34, plays mechanism for card and be arranged in bullet card cavity 20; Tension spring 30 is provided with between bullet clamp 19, the one end playing card holder 35 is connected to 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 playing clamp 19, and elastic cylindrical pin 5 34 implements location through the oval pinhole of recovery tube 29 and bullet card holder 35 to bullet card holder 35;
Its connected mode is as follows: recovery tube 29, bullet clamp 19 and bullet deck 33 are connected to by elastic cylindrical pin 4 31 and play in card holder 35; Link joint 36 and bullet card holder 35 are threaded connection; Playing mechanism for card is arranged in bullet card cavity 20, and upper end recovery tube 29 is connected with the lance seat 27 that drags for of salvaging mechanism by pin, and lower end is connected by screw thread and bushing bar assembly, connects the effect playing mechanism for card and is to carry out righting to bushing assembly, and prevent from it is altered.
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 upper bushing bar 38 and lower bushing bar 39, be threaded connection in the middle of upper bushing bar 38 and lower bushing bar 39, bushing bar assembly 37 lower bushing bar 39 be by the bushing drill bit 40 be threaded foremost, the tooth-shape structure of bushing drill bit 40 front end engages with the tooth-shape structure of special wire line core bit inner chamber, can realize the transmission of moment of torsion; The lower end of the upper bushing bar 38 of bushing bar assembly 37 connects lower bushing bar 39, and the internal thread of upper bushing bar 38 is connected with the external screw thread of the link joint 36 playing mechanism for card.
4, rotating mechanism
Described rotating mechanism comprises bearing box, axle and adjustment cap; The upper end of axle is fixed in bearing box through bearing; The lower end of axle to be arranged in adjustment cap and to be threaded with adjustment cap, and the axle lower end being arranged in adjustment cap is provided with single current valve seat, plum blossom baffle plate and brake hoop, and described brake hoop is fixed by pressure cap one, and single current valve seat is provided with steel ball; Adjustment cap is connected with described bullet mechanism for card.Bearing is placed in the step place that axle upper end is arranged, and the upper head cover in the outside of bearing near axle has semi-ring, and on semi-ring, cover has axial steel wire back-up ring.Plum blossom plate washer is fixed by welding in the step place of inside, axle lower end, and single current valve seat is by be threaded in termination, axle lower end and to weld; Pressure cap one is connected with spindle thread, and brake hoop is coordinated by keyway and is connected with axle, and brake hoop is between pressure cap and adjustment cap.Adjustment cap upper end is provided with the breach coordinated with brake hoop projection.The inwall of plum blossom plate washer, steel ball, single current valve seat and axle lower end forms pressure relief device.The upper end of bearing box, semi-ring, axial steel wire back-up ring, bearing and axle forms whirligig.The outer wall of pressure cap, brake hoop, adjustment cap and axle lower end forms inner core slack adjuster.
two, the installation order of connection of the present invention is as follows:
First on ground by described salvaging mechanism, play mechanism for card and bushing bar assembling components good.
1. the assembling sequence of salvaging mechanism, salvaging mechanism comprises fishing socket and fishing head:
The installation of fishing socket be connected as follows: 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, be threaded connection a pressure cap 2 successively, transit joint 7, sleeve 11 connect; Again crowfoot 15 is loaded in crowfoot frame 13 by elastic cylindrical pin 1 and spring 14, finally crowfoot frame 13 and pull bar 12 are threaded connection; After drilling tool arrives shaft bottom, just leave de-card cylinder 10 behind from ground, under gravity, press off crowfoot 15;
Salvage the installation of head group as follows: first, spring 24 is loaded spring base 25, then the two is loaded together drag in spearhead 23, with elastic cylindrical pin 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 holder 35 playing deck 33 with straight pin 32, with elastic cylindrical pin 4 31, two panels bullet clamp 19 are connected with bullet card holder 35, two panels bullet clamp 19 are connected to the two ends of tension spring 30, then with elastic cylindrical pin 5 34, recovery tube 29 are connected with bullet card holder 35;
3. the assembling sequence of bushing bar assembly: be made up of upper bushing bar 38 and lower bushing bar 39, be threaded connection between upper bushing bar 38 and lower bushing bar 39, at the drill bit of connecting core foremost 40 of lower bushing bar 39;
4, the assembling sequence of rotating mechanism: the assembling sequence of rotating mechanism: first plum blossom plate washer be directly put into the step place of axle lower end and weld, putting into steel ball, screws in axle and firm welding by screw thread single current valve seat; Then pressure cap one is threadedly attached to the position of axle lower end, coordinated brake hoop and axle good by keyway, and be close to pressure cap one, be then threaded connection lower end inner core adjustment cap being spun on axle, and make it the breach of upper end and the male cooperation of brake hoop lower end; Last bearing box is inserted in the upper end of axle, then bearing is put into the step place that bearing is put in axle upper end, finally loads onto semi-ring and axial steel wire back-up ring.
During total cost management, bushing mechanism upper end is connected with the bullet card holder 35 playing mechanism for card by screw thread, and the tooth-shape structure of the bushing drill bit 40 that lower end connects engages with the tooth-shape structure boring special core bit inner chamber.
When implementing coring operation, salvaging mechanism is connected by elastic cylindrical pin with bullet mechanism for card, plays mechanism for card and is threaded connection with rotation assembly, rotate assembly and be threaded connection with the mechanism that cores.
three, operating principle of the present invention is as follows:
Workflow of the present invention comprises coring operation and creeps into operation two flow processs.
Coring operation flow process: when implementing coring operation, coring tool connects salvaging mechanism from top to bottom successively at the assembly of drilling tool inside, play mechanism for card, rotate assembly and the mechanism that cores, first the coring tool connected is connected to the lower end of fishing tool, be lowered in drilling tool with wire rope again, after arriving shaft bottom, again de-card cylinder 10 is left behind from aboveground, external diameter due to de-card cylinder 10 is greater than the external diameter of sleeve 10, therefore, under gravity, de-card cylinder 10 can glide, and be enclosed within the tail end of crowfoot 15, Compress Spring 14 makes the front end of crowfoot 15 open, until lower end presses off the object that crowfoot realizes breaking off relations, and salvaging mechanism is proposed ground.After bullet mechanism for card puts in place, play clamp and open and lock, now play clamp and be against on top connection lower surface, can prevent from internal component is altered; Then carry out coring operation, drive rotating disk, add the pressure of the drill, carry out core-drilling until required coring footage.
Creep into work flow: when needs total cost management, salvaging mechanism is transferred by wire rope, after salvaging mechanism arrives shaft bottom, what crowfoot 15 was stuck in fishing head under action from the spring 14 drags on spearhead 23, then wire rope is carried on, take out the assembly of coring when implementing coring operation, then the rotation assembly and coring tool that play below mechanism for card are taken off, then bushing bar assembly and bullet card holder 35 are threaded connection, well is put into again by under the instrument reconnected, because the lower end of the lower 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 engages with the tooth-shape structure boring special core bit inner chamber, the transmission of moment of torsion can be realized, so can realize filling up the hollow structure of special wire line core bit, total cost management drill bit is changed into by coring, the effect now playing clamp 19 is the lower surface propping up bullet card cavity 20, can prevent from internal component is altered,
When again needing to implement coring operation, with wire rope by salvaging mechanism G.I.H, pull total cost management mechanism out ground, again connect salvaging mechanism successively, play mechanism for card, rotate assembly and the mechanism that cores, again the coring tool wire rope connected is lowered in drilling tool, after arriving shaft bottom, again de-card cylinder 10 is left behind from aboveground, under gravity, de-card cylinder 10 glides and is enclosed within the tail end of crowfoot 15, Compress Spring 14 makes the front end of crowfoot 15 open, until lower end presses off the object that crowfoot realizes breaking off relations, 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 with this and realize not pulling out of hole and repeatedly coring and the alternately operating crept into.
Claims (7)
1. a system of coring for coring with drilling, comprises salvaging mechanism and to core mechanism, it is characterized in that: described in the mechanism that cores form primarily of bullet mechanism for card and rotating mechanism, described rotating mechanism comprises bearing box (51), axle (55) and adjustment cap (61); The upper end of axle (55) is fixed in bearing box (51) through bearing; The lower end of axle (55) to be arranged in adjustment cap (61) and to be threaded with adjustment cap (61), axle (55) lower end being arranged in adjustment cap (61) is provided with single current valve seat (60), plum blossom baffle plate (58) and brake hoop (57), described brake hoop (57) is fixed by pressure cap one (56), single current valve seat (60) is provided with steel ball (59); Adjustment cap (61) is connected with inner core;
Described salvaging mechanism is formed primarily of fishing socket and fishing head; Drop handle (1), de-card cylinder (10), sleeve (11), pull bar (12), crowfoot frame (13) and crowfoot is provided with in described fishing socket; Be provided with in pressure cap (2), thrust bearing (3), stop washer (5) and transit joint (7), sleeve (11) to be provided with between drop handle (1) and sleeve (11) and cut off joint (9); Wherein: one end of drop handle (1) is fixed through pressure cap (2) and thrust bearing (3) and stop washer (5), and transit joint (7) is connected with pressure cap (2), transit joint (7) with cut off joint (9) and be connected; Cut off joint (9) to be connected with sleeve (11), crowfoot frame (13) is connected with pull bar (12); Crowfoot is connected on crowfoot frame (13), is provided with Compress Spring (14) in the end of crowfoot, and there is connecting thread one end of crowfoot frame (13); De-card cylinder (10) is enclosed within the outside of sleeve (11), and one end of de-card cylinder (10) is enclosed within the tail end of crowfoot; Fishing head comprises and drags for spearhead (23) and drag for lance seat (27), be provided with spring dragging for spearhead (23) and drag between lance seat (27), spring is arranged in spring base, and spring and spring base are contained in and drag in spearhead (23), drags for spearhead (23) and drag for lance seat (27) to be connected and fixed; Described crowfoot is connected with the spearhead (23) that drags for of fishing head; Drag for lance seat (27) tail end connect described in core the recovery tube (29) of mechanism.
2. the system of coring of coring with drilling according to claim 1, it is characterized in that: bearing is placed in the step place that axle (55) upper end is arranged, have semi-ring (52) in the outside of bearing near the upper head cover of axle (55), the upper cover of semi-ring (52) has axial steel wire back-up ring (53).
3. the system of coring of coring with drilling according to claim 1 and 2, is characterized in that: plum blossom plate washer is fixed by welding in the step place of axle (55) inside, lower end, and single current valve seat (60) is by be threaded in axle (55) termination, lower end and to weld; Pressure cap one (56) is threaded with axle (55), and brake hoop (57) is coordinated by keyway and is connected with axle (55), and brake hoop (57) is positioned between pressure cap and adjustment cap (61).
4. the system of coring of coring with drilling according to claim 1, it is characterized in that: described bullet mechanism for card comprises recovery tube (29), plays clamp, plays deck (33), play card holder (35) and link joint (36), play mechanism for card and be arranged in bullet card cavity; Bullet clamp are provided with tension spring (30), the one end playing card holder (35) is connected to the rear end of recovery tube (29), the other end is connected with link joint (36), the rear playing clamp is fixed on and plays on deck (33), playing deck (33) is fixed on recovery tube (29), play deck (33) be positioned at bullet clamp and play between card holder (35), drag between lance seat and recovery tube (29) and connected by elastic cylindrical pin three (28).
5. the system of coring of coring with drilling according to claim 4, 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 playing clamp is fixed on and plays on deck (33) by elastic cylindrical pin four (31), playing deck (33) is fixed on recovery tube (29) through straight pin, and elastic cylindrical pin five (34) implements location through the oval pinhole of recovery tube (29) and bullet card holder (35) to bullet card holder (35).
6. the system of coring of coring with drilling according to claim 1, it is characterized in that: described salvaging mechanism also includes the pad (4) be positioned between thrust bearing (3) and stop washer (5), stop washer (5) and pad (4) are fixed through nut (6).
7. the system of coring of coring with drilling according to claim 1, it is characterized in that: described transit joint and pressure cap are threaded connection, transit joint with cut off joint and be connected by safety pin, cut off joint and sleeve is threaded connection, crowfoot frame and pull bar are threaded connection; Described crowfoot is connected on crowfoot frame (13) by elastic cylindrical pin one (16), drags for spearhead (23) and drag for lance seat (27) to be connected and fixed by elastic cylindrical pin two (26).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577796.8A CN103015931B (en) | 2012-12-27 | 2012-12-27 | The system of coring of coring with drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210577796.8A CN103015931B (en) | 2012-12-27 | 2012-12-27 | The system of coring of coring with drilling |
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| Publication Number | Publication Date |
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| CN103015931A CN103015931A (en) | 2013-04-03 |
| CN103015931B true CN103015931B (en) | 2015-08-19 |
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| CN201210577796.8A Active CN103015931B (en) | 2012-12-27 | 2012-12-27 | The system of coring of coring with drilling |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113153195B (en) * | 2021-01-04 | 2022-06-07 | 成都理工大学 | Pressure adjusting system and method for high-ground-stress environment coring device |
| CN112901099B (en) * | 2021-03-11 | 2024-03-22 | 广州海洋地质调查局 | Static pressure constant speed coring tool and method |
| CN113605851B (en) * | 2021-08-27 | 2023-03-10 | 山东省地质矿产勘查开发局第一地质大队（山东省第一地质矿产勘查院） | Rope core-taking off-axis anti-inclination drilling tool |
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| US4875531A (en) * | 1987-01-23 | 1989-10-24 | Eastman Christensen Company | Core drilling tool with direct drive |
| CN2816336Y (en) * | 2005-07-20 | 2006-09-13 | 四川石油管理局 | Core taking-out tool |
| CN201448079U (en) * | 2009-06-25 | 2010-05-05 | 江苏省无锡探矿机械总厂有限公司 | Fishing device for rope drilling tool |
| CN102619484A (en) * | 2012-04-11 | 2012-08-01 | 中国石油集团川庆钻探工程有限公司钻采工程技术研究院 | Well wall coring while drilling tool |
| CN203161146U (en) * | 2012-12-27 | 2013-08-28 | 中国石油集团川庆钻探工程有限公司 | Coring system performing coring with drilling |
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| US4875531A (en) * | 1987-01-23 | 1989-10-24 | Eastman Christensen Company | Core drilling tool with direct drive |
| CN2816336Y (en) * | 2005-07-20 | 2006-09-13 | 四川石油管理局 | Core taking-out tool |
| CN201448079U (en) * | 2009-06-25 | 2010-05-05 | 江苏省无锡探矿机械总厂有限公司 | Fishing device for rope drilling tool |
| CN102619484A (en) * | 2012-04-11 | 2012-08-01 | 中国石油集团川庆钻探工程有限公司钻采工程技术研究院 | Well wall coring while drilling tool |
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| CN103015931A (en) | 2013-04-03 |
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Effective date of registration: 20200910 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: CNPC Chuanqing Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: The 1 section of No. 3 company Chuanqing Drilling Technology Information Office Chenghua District Green Road 610051 Chengdu City, Sichuan Province Patentee before: CNPC Chuanqing Drilling Engineering Co.,Ltd. |
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