CN221032503U

CN221032503U - Coring device for petroleum logging

Info

Publication number: CN221032503U
Application number: CN202323018774.0U
Authority: CN
Inventors: 南龙飞; 钱宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-05-28
Anticipated expiration: 2033-11-09

Abstract

The utility model relates to the technical field of petroleum logging equipment and discloses a coring device for petroleum logging, which comprises a logging coring connecting barrel, wherein the top end of the logging coring connecting barrel is provided with a logging connecting rod, a logging rock wall coring assembly for petroleum logging rock wall coring is arranged in a coring driving cavity, and a coring telescopic assembly for driving is arranged on the side edge of the logging rock wall coring assembly.

Description

Coring device for petroleum logging

Technical Field

The utility model relates to the technical field of petroleum logging equipment, in particular to a coring device for petroleum logging.

Background

One of the main subjects of petroleum, geological exploration, is a viscous, dark brown liquid, known as "industrial blood". The upper part of the crust has petroleum storage. The main component is a mixture of various alkanes, cycloalkanes and aromatic hydrocarbons.

The utility model discloses a through the search granted chinese patent publication No. CN 212154705U a rock core hydraulic pressure take-out device for oil logging wall coring, including the guide post, the guide post includes four, the one end of four guide posts is connected with lower fixed cross beam through lower fixation nut, the other end passes through last fixed nut and is connected with last fixed cross beam and constitutes rock core hydraulic pressure take-out device's frame main part, be provided with the movable cross beam that can follow the guide post and reciprocate on the guide post between upper fixed cross beam and the lower fixed cross beam, be provided with the rock core section of thick bamboo of being equipped with the rock core between movable cross beam and the upper fixed cross beam, the bottom of rock core section of thick bamboo is connected with the one end of the rock core ejector pin that runs through the movable cross beam setting, the other end and the power device of rock core ejector pin are connected, the top that corresponds the rock core section of thick bamboo on the upper fixed cross beam is provided with the rock core export. The utility model has simple structure, safe and simple use, reduces manpower and improves the operation efficiency.

The above-mentioned patent still has certain not enough when coring, and current oil is coring device for logging is difficult to cooperate the drilling rod combination to use, can't stretch into in the logging fast and take a sample to the rock wall, and the rock after the drill bit is probing is the fragment form mostly, hardly obtains comparatively complete wall of a well rock, is inconvenient for engineering personnel's observation and detection.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides a coring device for petroleum logging, which solves the problems that the prior coring device for petroleum logging is difficult to be combined with a drill rod for use, can not be quickly stretched into logging to sample a rock wall, and most of rocks drilled by a drill bit are in a fragment shape, so that more complete well wall rocks are difficult to be obtained, and the observation and detection of engineering personnel are inconvenient.

The utility model provides the following technical scheme: the utility model provides a coring device for petroleum logging, includes a logging coring connecting cylinder, the top of logging coring connecting cylinder is provided with the connecting rod that goes down the well, the bottom of logging coring connecting cylinder is provided with the drill bit connecting rod, go down the well connecting rod with all link to each other through the fixing bolt fixed of inserting between the logging coring connecting cylinder, be provided with the driving chamber that takes core in the logging coring connecting cylinder, be provided with the logging rock wall coring subassembly that is used for petroleum logging rock wall coring in the driving chamber that takes core, the side of logging rock wall coring subassembly is provided with the flexible subassembly that takes core that is used for the drive;

The utility model provides a logging rock wall coring assembly, including setting up the first servo motor of coring drive intracavity, the lateral wall extension mouth has been seted up to the side of coring drive intracavity, the side of first servo motor is provided with the rotation connecting seat, the drive shaft of first servo motor with the rotation connecting seat middle part links to each other, the rotation connecting seat inserts and establishes in the lateral wall extension mouth, the side of rotation connecting seat is provided with a rock core drill section of thick bamboo, the tip of rock core drill section of thick bamboo inserts and establishes to the side of rotation connecting seat, the internal thread has been seted up to the inner wall of rotation connecting seat, the outer wall of rock core drill section of thick bamboo tip is provided with the external screw thread, the internal thread with the external screw thread cooperatees to be connected, the symmetry is provided with two spacing spouts on the inner wall of lateral wall extension mouth, two spacing recesses have been seted up to the bilateral symmetry of rotation connecting seat, spacing recess internal roll is inlayed and is equipped with spacing card ball, the side roll of spacing card ball is inlayed in the spacing spout.

The preferred technical scheme is as follows: the telescopic assembly of coring is in including setting up the top connecting plate on first servo motor top, the drive screw has been seted up at the middle part of top connecting plate, drive screw interpolation is equipped with drive screw, drive screw's one end with coring drive intracavity wall rotates and links to each other, coring drive intracavity's lateral wall is provided with rotates the storehouse, drive screw's the other end rotates and inserts to rotate in the storehouse, the top of rotating the storehouse is provided with the second servo motor, the drive shaft of second servo motor bottom is connected with the transmission connecting rod.

The preferred technical scheme II is as follows: the bottom of transmission connecting rod extends to in the rotation storehouse and with rotate the storehouse inner wall and rotate and link to each other, be provided with second bevel gear on the pole body of transmission connecting rod, drive screw's tip is provided with first bevel gear, first bevel gear with second bevel gear meshing transmission links to each other, first servo motor's bottom is provided with the bottom limiting plate, the middle part of bottom limiting plate is run through and is equipped with spacing slip inserted bar, spacing slip inserted bar's both ends all with coring drive intracavity wall links to each other.

The preferred technical scheme III: the outer side end part of the rock core drill cylinder is uniformly provided with a plurality of protruding blocks in a ring mode.

This scheme can for core drill barrel is driven back more quick to bore the core to the rock wall.

The preferred technical scheme is as follows: the side of rotating the storehouse is provided with the baffle, the baffle is located drive screw's tip.

This scheme can for when drive screw rotates and drives top connecting plate and remove, avoid top connecting plate and rotate the inconsistent of storehouse lateral wall.

The preferable technical scheme is as follows: the limiting sliding inserted bar and the driving screw are located in the same plane.

This scheme can for when first servo motor slides in the drive chamber of coring, can obtain the better spacing of spacing slip inserted bar.

Compared with the prior art, the utility model provides a coring device for petroleum logging, which has the following beneficial effects:

(1) According to the utility model, the logging coring connecting cylinder is connected between the well logging connecting rod and the drill bit connecting rod, and the logging rock wall coring assembly and the coring telescopic assembly are arranged in the logging coring connecting cylinder, wherein the rock core drilling cylinder in the logging rock wall coring assembly can extend out of the side edge of the logging coring connecting cylinder under the driving of the second servo motor to the first servo motor, and can rotate at a high speed under the driving of the first servo motor while extending out, so that the side wall of an oil well is drilled, and a relatively complete logging rock wall is obtained.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the structure of the present utility model;

FIG. 3 is an enlarged view of the sidewall extension of FIG. 2 in accordance with the present utility model;

fig. 4 is an enlarged view of the structure of the rotary drum of fig. 2 according to the present utility model.

In the figure:

1. Logging coring connecting cylinder; 2. a well-running connecting rod; 3. a drill bit connecting rod; 4. a fixing bolt; 5. a coring drive cavity; 6. a logging borehole wall coring assembly; 7. a coring telescoping assembly;

601. A first servo motor; 602. a sidewall extension; 603. rotating the connecting seat; 604. a core drill barrel; 605. an internal thread; 606. an external thread; 607. limiting sliding grooves; 608. a limit groove; 609. limiting clamping balls;

701. A top connection plate; 702. driving the screw hole; 703. driving a screw; 704. rotating the bin; 705. a second servo motor; 706. a transmission connecting rod; 707. a first bevel gear; 708. a second bevel gear; 709. a bottom limiting plate; 710. and limiting the sliding inserted link.

Detailed Description

Referring to fig. 1-4, a coring device for petroleum logging comprises a logging coring connecting cylinder 1, wherein a well-descending connecting rod 2 is arranged at the top end of the logging coring connecting cylinder 1, a drill bit connecting rod 3 is arranged at the bottom end of the logging coring connecting cylinder 1, the well-descending connecting rod 2, the drill bit connecting rod 3 and the logging coring connecting cylinder 1 are fixedly connected through an inserted fixing bolt 4, a coring driving cavity 5 is arranged in the logging coring connecting cylinder 1, a logging rock wall coring assembly 6 for petroleum logging rock wall coring is arranged in the coring driving cavity 5, and a coring telescopic assembly 7 for driving is arranged on the side edge of the logging rock wall coring assembly 6.

The logging rock wall coring assembly 6 comprises a first servo motor 601 arranged in a coring driving cavity 5, a side wall extending opening 602 is formed in the side edge of the coring driving cavity 5, a rotation connecting seat 603 is arranged on the side edge of the first servo motor 601, a driving shaft of the first servo motor 601 is connected with the middle of the rotation connecting seat 603, the rotation connecting seat 603 is inserted into the side wall extending opening 602, a rock core drilling barrel 604 is arranged on the side edge of the rotation connecting seat 603, and the end portion of the rock core drilling barrel 604 is inserted into the side edge of the rotation connecting seat 603.

The internal thread 605 has been seted up to the inner wall of rotation connecting seat 603, and the outer wall of rock core drill cylinder 604 tip is provided with external screw thread 606, and internal screw thread 605 and external screw thread 606 cooperate and are connected, and the symmetry is provided with two spacing spouts 607 on the inner wall of lateral wall extension mouth 602, and two spacing recess 608 have been seted up to the bilateral symmetry of rotation connecting seat 603, and spacing recess 608 is interior to roll to be inlayed and is had spacing card ball 609, and spacing card ball 609's side roll is inlayed and is established in spacing spout 607.

The coring expansion assembly 7 comprises a top connecting plate 701 arranged at the top end of the first servo motor 601, a driving screw hole 702 is formed in the middle of the top connecting plate 701, a driving screw 703 is inserted in the driving screw hole 702, one end of the driving screw 703 is rotationally connected with the inner wall of the coring driving cavity 5, a rotating bin 704 is arranged on the side wall of the coring driving cavity 5, the other end of the driving screw 703 is rotationally inserted in the rotating bin 704, a second servo motor 705 is arranged at the top end of the rotating bin 704, and a driving shaft at the bottom end of the second servo motor 705 is connected with a transmission connecting rod 706.

The bottom of the transmission connecting rod 706 extends into the rotation bin 704 and is rotationally connected with the inner wall of the rotation bin 704, a second bevel gear 708 is arranged on the rod body of the transmission connecting rod 706, a first bevel gear 707 is arranged at the end part of the driving screw 703, the first bevel gear 707 and the second bevel gear 708 are in meshed transmission connection, a bottom limiting plate 709 is arranged at the bottom of the first servo motor 601, a limiting sliding inserted rod 710 is penetrated in the middle of the bottom limiting plate 709, and two ends of the limiting sliding inserted rod 710 are connected with the inner wall of the coring driving cavity 5.

Embodiment two: the difference between the present embodiment and the first embodiment is that a plurality of bumps are uniformly arranged on the outer end of the core barrel 604.

So that the core barrel 604 is driven to more quickly core the rock wall.

Embodiment III: the present embodiment differs from the first embodiment in that a baffle is provided at the side of the rotating bin 704, and the baffle is located at the end of the driving screw 703.

So that the top connection plate 701 is prevented from abutting against the side wall of the rotating bin 704 when the driving screw 703 rotates to drive the top connection plate 701 to move.

Embodiment four: the difference between this embodiment and the first embodiment is that the limit sliding plunger 710 and the driving screw 703 are located in the same plane.

So that the first servomotor 601 can be better restrained by the restraining slide plunger 710 when sliding in the coring drive chamber 5.

In this embodiment, because the existing coring device for petroleum logging is difficult to be used in combination with a drill rod, the coring device cannot be quickly extended into logging to sample the rock wall, and most of the rock drilled by a drill bit is in a fragment shape, so that it is difficult to obtain relatively complete well wall rock, and the observation and detection of engineering personnel are inconvenient.

To sum up, in the concrete implementation, through being provided with the connecting cylinder 1 of taking core of logging between connecting rod 2 and drill bit connecting rod 3 down the well, link to each other through fixing bolt 4 is fixed with connecting cylinder 1 of taking core of logging and connecting rod 2 and fixing bolt 4 down the well to can make the connecting cylinder 1 of taking core of logging and the logging rock wall that its inside set up take core subassembly 6 and the flexible subassembly 7 of taking core together go into the oil well bottom, when connecting cylinder 1 of taking core of logging moves to the oil well bottom side along with drill bit connecting rod 3.

At this time, the second servo motor 705 is started, the second servo motor 705 drives the second bevel gear 708 to rotate through driving of the driving connecting rod 706, the second bevel gear 708 is in meshed transmission connection with the first bevel gear 707, the driving screw 703 is driven to rotate, the driving screw 703 is inserted into the driving screw hole 702 formed in the top connecting plate 701, and accordingly the top connecting plate 701 and the first servo motor 601 are driven to move, and the rotating bin 704 arranged at the end part of the first servo motor 601 can stably penetrate through the side wall extending opening 602 to extend out of the logging coring connecting cylinder 1.

Simultaneously, the first servo motor 601 is started, so that the first servo motor 601 drives the core drilling barrel 604 to rotate at a high speed through the rotating connecting seat 603, when the core drilling barrel 604 moves outwards, the rock soil on the side wall of the oil well can be drilled under the high-speed rotation of the core drilling barrel 604, the rock on the side wall of the oil well can be removed through the drilling of the core drilling barrel 604, the whole part of the side wall of the oil well is kept to enter the middle part of the core drilling barrel 604, and after the drilling is finished, the core drilling barrel 604 can enter the core drilling barrel 604 by slightly pulling the logging core drilling connecting barrel 1.

The second servo motor 705 is started again, so that the second servo motor 705 drives the driving screw 703 to reversely rotate again, the core drilling barrel 604 at the end part of the first servo motor 601 is pulled to be retracted into the coring driving cavity 5, the relatively complete logging rock can be obtained by pulling the logging coring connecting barrel 1, the logging rock can be matched with the drill bit connecting rod 3 for use, the sampled logging rock is more complete, the observation and research of a user are facilitated, and the use of the user is facilitated.

Claims

1. The utility model provides a coring device that oil logging was used, includes logging coring connecting cylinder (1), its characterized in that: the well logging coring device is characterized in that a well logging connecting rod (2) is arranged at the top end of the well logging coring connecting cylinder (1), a drill bit connecting rod (3) is arranged at the bottom end of the well logging coring connecting cylinder (1), the well logging connecting rod (2) and the drill bit connecting rod (3) are fixedly connected with the well logging coring connecting cylinder (1) through inserted fixing bolts (4), a coring driving cavity (5) is arranged in the well logging coring connecting cylinder (1), a logging rock wall coring assembly (6) for petroleum logging rock wall coring is arranged in the coring driving cavity (5), and a coring telescopic assembly (7) for driving is arranged on the side edge of the logging rock wall coring assembly (6);

Logging rock wall coring assembly (6) are in including setting up first servo motor (601) in coring drive chamber (5), lateral wall outlet (602) have been seted up to the side of coring drive chamber (5), the side of first servo motor (601) is provided with rotation connecting seat (603), the drive shaft of first servo motor (601) with rotation connecting seat (603) middle part links to each other, rotation connecting seat (603) are inserted and are established in lateral wall outlet (602), the side of rotation connecting seat (603) is provided with rock core drill bowl (604), the tip of rock core drill bowl (604) is inserted and is established to the side of rotation connecting seat (603), internal thread (605) have been seted up to the inner wall of rotation connecting seat (603), the outer wall of rock core drill bowl (604) tip is provided with external screw thread (606), internal thread (605) with external screw thread (606) are connected in a matched connection, be provided with two limit sliding grooves (607) on the inner wall of lateral wall outlet (602), limit sliding groove (608) are established in limit ball (609), limit ball (609) are inlayed in limit ball (609).

2. A coring device for petroleum logging according to claim 1, wherein: the utility model provides a coring telescoping assembly (7) is including setting up top connecting plate (701) on first servo motor (601) top, drive screw (702) have been seted up at the middle part of top connecting plate (701), drive screw (702) interpolation is equipped with drive screw (703), the one end of drive screw (703) with coring drive chamber (5) inner wall rotates and links to each other, the lateral wall of coring drive chamber (5) is provided with rotates storehouse (704), the other end of drive screw (703) rotates and inserts and establish to rotate in storehouse (704), the top of rotating storehouse (704) is provided with second servo motor (705), the drive shaft of second servo motor (705) bottom is connected with transmission connecting rod (706).

3. A coring device for petroleum logging according to claim 2, wherein: the bottom of transmission connecting rod (706) extends to rotate in storehouse (704) and with rotate storehouse (704) inner wall and rotate and link to each other, be provided with second bevel gear (708) on the shaft of transmission connecting rod (706), the tip of drive screw (703) is provided with first bevel gear (707), first bevel gear (707) with second bevel gear (708) meshing transmission links to each other, the bottom of first servo motor (601) is provided with bottom limiting plate (709), the middle part of bottom limiting plate (709) is run through and is equipped with spacing slip inserted bar (710), the both ends of spacing slip inserted bar (710) all with coring drive chamber (5) inner wall links to each other.

4. A coring device for petroleum logging according to claim 3, wherein: a plurality of protruding blocks are uniformly arranged on the outer side end part of the core drill barrel (604) in a surrounding mode.

5. The coring apparatus for petroleum logging of claim 4, wherein: the side of the rotating bin (704) is provided with a baffle plate, and the baffle plate is positioned at the end part of the driving screw (703).

6. The coring device for petroleum logging according to claim 5, wherein: the limit sliding inserted rod (710) and the driving screw (703) are positioned in the same plane.