CN215761556U

CN215761556U - Lifting type drilling equipment for oil exploitation

Info

Publication number: CN215761556U
Application number: CN202121730332.7U
Authority: CN
Inventors: 潘元苏; 孙伟; 孙曙光; 柳林
Original assignee: Jiangsu Jinfucun Petroleum Equipment Co ltd
Current assignee: Jiangsu Jinfucun Petroleum Equipment Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-02-08
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses lifting type drilling equipment for petroleum exploitation, which comprises a base and a derrick, wherein a fixed pulley block is fixed at the center of the top of the derrick, a movable pulley block is arranged right below the fixed pulley block, a drilling pump is fixed at the bottom of a lifting hook, a rotating shaft at the bottom of the drilling pump is connected with a drilling rod, a drill bit is fixedly connected at the bottom of the drilling rod, a mud pipe is in threaded connection with the top of the drilling rod, the mud pipe is connected with a mud tank arranged on one side of the base through a mud pump, a sedimentation tank is arranged on the other side of the base, and the sedimentation tank is also connected with the mud tank through a lifting pump and a connecting pipe. This oil development adopts over-and-under type drilling equipment simple structure, the modern design, convenient to use for the up-and-down motion of drilling rod is simpler, convenient and laborsaving, conveniently cools down the processing to the drill bit, and the cooling is effectual, has realized the cyclic utilization of mud, is favorable to reduce cost, improves economic benefits.

Description

Lifting type drilling equipment for oil exploitation

Technical Field

The utility model belongs to the technical field of oil exploitation, and particularly relates to lifting type drilling equipment for oil exploitation.

Background

Petroleum, one of the main objects of geological exploration, is a very important energy source, and is normally a viscous, dark brown liquid called "industrial blood", and its main component is a mixture of various alkanes, cycloalkanes, and aromatics. Oil extraction refers to the act of excavating and extracting oil in places where oil is stored. During the process of oil production, oil and gas flow from the reservoir to the well bottom and rise from the well bottom to the well top.

Oil is generally buried deep in the ground, and thus when oil is extracted, drilling is required and then the oil is extracted. The existing drilling equipment has low drilling efficiency and complex operation, and the service life of the drill bit is seriously influenced because the drill bit rapidly heats up due to high-speed friction with rocks during drilling, so that the lifting drilling equipment for petroleum exploitation, which has high drilling efficiency and simple operation and can effectively cool the drill bit during drilling, is urgently needed to be researched and developed.

Disclosure of Invention

The utility model aims to provide lifting type drilling equipment for oil exploitation, and aims to solve the problems of low efficiency, complex operation and short service life of a drill bit of the conventional drilling equipment.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an over-and-under type drilling equipment for oil development, includes base and derrick, top one side of derrick is fixed with the crown block, the below of crown block is equipped with the crown block, the bottom of crown block is equipped with the lifting hook, the lifting hook bottom is fixed with the drilling pump, the bottom pivot of drilling pump is connected with the drilling rod, the bottom fixedly connected with drill bit of drilling rod, the top threaded connection of drilling rod has the mud pipe, the mud pipe passes through the slush pump and is connected with the mud jar that sets up in base one side, the opposite side of base is equipped with the sedimentation tank, one side of sedimentation tank is equipped with the mud stone pump, one side of mud stone pump is equipped with the mud stone pipe, the other end of mud stone pipe extends to in the drilling well, the sedimentation tank still is connected with the mud jar through elevator pump and connecting pipe.

Preferably, the base is a concrete-poured ladder-shaped structure, a through hole is formed in the center of the base, and the aperture of the through hole is not smaller than the diameter of the drill rod.

Preferably, the drill rod is in threaded connection with the drill bit, the drill rod is a hollow pipe, and two slurry outlets communicated with the drill rod are formed in the center of the drill bit.

Preferably, the derrick is an A-shaped frame structure, the derrick is made of Q345 low alloy steel, the derrick is fixed on the upper surface of the base through bolts, and the central axis of the derrick coincides with the central axis of the base.

Preferably, a winch is fixed on one side of the upper surface of the base, and the fixed pulley block, the movable pulley block and the winch are connected in sequence through a steel wire rope.

Preferably, the mud-rock pipe is an overturned L-shaped structure, and the mud-rock pipe extends to 30-50 cm in the drilling well.

The utility model has the technical effects and advantages that: this oil is opened and is adopted over-and-under type drilling equipment simple structure, the modern design, convenient to use through setting up the fixed pulley group, wire rope, running block and winch for the up-and-down motion of drilling rod is simpler, convenient and laborsaving, through setting up hollow drilling rod and set up the grout outlet on the drill bit, conveniently cools down the temperature to the drill bit and handles, and the cooling is effectual, through setting up sedimentation tank, connecting pipe and elevator pump, has realized the cyclic utilization of mud, is favorable to reduce cost, improves economic benefits.

Drawings

FIG. 1 is a vertical cross-sectional view of the present invention;

FIG. 2 is a block diagram of the mud circuit of the present invention.

In the figure: 1. a base; 101. a through hole; 2. a derrick; 3. a fixed pulley block; 4. a wire rope; 5. a movable pulley block; 6. a hook; 7. a winch; 8. a drilling pump; 9. a drill stem; 10. a drill bit; 11. a pulp outlet; 12. a mud pipe; 13. a slurry pump; 14. a mud tank; 15. a mud-rock pipe; 16. a mud-rock pump; 17. a sedimentation tank; 18. a connecting pipe; 19. a lift pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention provides an elevating drilling apparatus for oil extraction as shown in the drawing, comprising a base 1 and a derrick 2, a fixed pulley block 3 is fixed on one side of the top of the derrick 2, a movable pulley block 5 is arranged below the fixed pulley block 3, the bottom of the movable pulley block 5 is provided with a hook 6, the bottom of the hook 6 is fixed with a drilling pump 8, a drill rod 9 is connected with a rotating shaft at the bottom of the drilling pump 8, a drill bit 10 is fixedly connected with the bottom of the drill rod 9, the top of the drill rod 9 is in threaded connection with a mud pipe 12, the mud pipe 12 is connected with a mud tank 14 arranged on one side of the base 1 through a mud pump 13, a sedimentation tank 17 is arranged on the other side of the base 1, a mud stone pump 16 is arranged on one side of the sedimentation tank 17, one side of the mud-rock pump 16 is provided with a mud-rock pipe 15, the other end of the mud-rock pipe 15 extends into the well, the settling tank 17 is also connected to the mud tank 14 by a lift pump 19 and a connecting pipe 18.

In addition, base 1 is the terrace type structure that concrete placement formed, the center department of base 1 is equipped with through-hole 101, the aperture of through-hole 101 is not less than the diameter of drilling rod 9, has the structure and stabilizes, and compressive capacity is strong advantage, makes things convenient for drilling operation through base 1 by drilling rod 9 simultaneously. The drill rod 9 is in threaded connection with the drill bit 10, the drill rod 9 is a hollow pipe, two slurry outlets 11 communicated with the drill rod 9 are formed in the center of the drill bit 10, the drill rod 9 and the drill bit 10 are connected simply and conveniently, meanwhile, slurry is conveniently poured on the drill bit 10 from the slurry outlets 11 directly, and the cooling is convenient, rapid and good in effect. The derrick 2 is an A-shaped frame structure, the derrick 2 is made of Q345 low alloy steel, the derrick 2 is fixed on the upper surface of the base 1 through bolts, and the central axes of the derrick 2 and the base 1 are overlapped, so that the derrick has the advantage of stable structure.

It is worth mentioning that a winch 7 is fixed on one side of the upper surface of the base 1, the fixed pulley block 3, the movable pulley block 5 and the winch 7 are sequentially connected through a steel wire rope 4, so that the fixed pulley block 3 and the movable pulley block 5 are conveniently driven to operate through the forward and reverse rotation of the winch 7, and the up and down movement of the hook 6 is further realized. The mud-rock pipe 15 is an overturned 'L' -shaped structure, and the mud-rock pipe 15 extends to 30-50 cm in the well drilling, so that mud in the well drilling keeps a proper height, the mud is prevented from overflowing, and the effect of keeping the well drilling stable is achieved.

The working principle is as follows: when the lifting type drilling equipment is used for oil exploitation, firstly, the winch 7 is started, the rolled steel wire rope 4 is slowly put down, the steel wire rope 4 drives the drill rod 9 to slowly move downwards in the derrick 2 until the drill rod is contacted with the ground, then, the drilling pump 8 is started, the drilling pump 8 drives the drill rod 9 to rotate, the drill bit 10 at the bottom of the drill rod 9 rotates to cut the ground and grind encountered rocks, so that the drilling operation is realized, in the drilling process, the slurry pump 13 is started, slurry in the slurry tank 14 is injected into the drill rod 9 through the slurry pipe 12 and then is sprayed on the drill bit 10 through the slurry outlet 11, the temperature of the drill bit 10 is reduced, when the slurry in the drilling well is about to overflow, the slurry pump 16 is started, redundant slurry with crushed stones clamped is pumped into the sedimentation tank 17 for slurry purification, and then, the lifting pump 19 is started to pump the purified slurry into the slurry tank 14 for recycling.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides an over-and-under type drilling equipment for oil development, includes base (1) and derrick (2), its characterized in that: a fixed pulley block (3) is fixed on one side of the top of the derrick (2), a movable pulley block (5) is arranged below the fixed pulley block (3), a lifting hook (6) is arranged at the bottom of the movable pulley block (5), a drilling pump (8) is fixed at the bottom of the lifting hook (6), a drilling rod (9) is connected with a bottom rotating shaft of the drilling pump (8), a drill bit (10) is fixedly connected with the bottom of the drilling rod (9), a mud pipe (12) is connected with the top of the drilling rod (9) through threads, the mud pipe (12) is connected with a mud tank (14) arranged on one side of the base (1) through a mud pump (13), a sedimentation tank (17) is arranged on the other side of the base (1), a mud pump (16) is arranged on one side of the sedimentation tank (17), a mud pipe (15) is arranged on one side of the mud pump (16), and the other end of the mud pipe (15) extends into the drilling well, the sedimentation tank (17) is also connected with the mud tank (14) through a lifting pump (19) and a connecting pipe (18).

2. The elevating drilling equipment for oil exploitation according to claim 1, wherein: the base (1) is a ladder-shaped structure formed by pouring concrete, a through hole (101) is formed in the center of the base (1), and the aperture of the through hole (101) is not smaller than the diameter of the drill rod (9).

3. The elevating drilling equipment for oil exploitation according to claim 1, wherein: the drilling rod (9) is in threaded connection with the drill bit (10), the drilling rod (9) is a hollow pipe, and two slurry outlets (11) communicated with the drilling rod (9) are formed in the center of the drill bit (10).

4. The elevating drilling equipment for oil exploitation according to claim 1, wherein: the derrick (2) is of an A-shaped frame structure, the derrick is made of Q345 low alloy steel, the derrick (2) is fixed on the upper surface of the base (1) through bolts, and the central axis of the derrick (2) coincides with the central axis of the base (1).

5. The elevating drilling equipment for oil exploitation according to claim 1, wherein: a winch (7) is fixed on one side of the upper surface of the base (1), and the fixed pulley block (3), the movable pulley block (5) and the winch (7) are connected through a steel wire rope (4) in sequence.

6. The elevating drilling equipment for oil exploitation according to claim 1, wherein: mud stone pipe (15) are "L" type structure of upset, mud stone pipe (15) extend to 30 ~ 50 centimetres in the drilling.