CN116575859A - Drilling device without derrick and drill pipe sleeve follow-up and drilling method - Google Patents

Drilling device without derrick and drill pipe sleeve follow-up and drilling method Download PDF

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Publication number
CN116575859A
CN116575859A CN202310645855.9A CN202310645855A CN116575859A CN 116575859 A CN116575859 A CN 116575859A CN 202310645855 A CN202310645855 A CN 202310645855A CN 116575859 A CN116575859 A CN 116575859A
Authority
CN
China
Prior art keywords
pipe
casing
drilling
sleeve
derrick
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310645855.9A
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Chinese (zh)
Inventor
龚智勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202310645855.9A priority Critical patent/CN116575859A/en
Publication of CN116575859A publication Critical patent/CN116575859A/en
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/08—Casing joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/18—Pipes provided with plural fluid passages
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
    • E21B21/065—Separating solids from drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/16—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using gaseous fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/04—Casing heads; Suspending casings or tubings in well heads
    • E21B33/047—Casing heads; Suspending casings or tubings in well heads for plural tubing strings
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/02—Fluid rotary type drives
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

A drilling device without a derrick and a drill pipe casing and a drilling method. The method mainly solves the problems that the existing drilling method is high in construction cost, buried drilling, collapse and easy dragging of a drill rod during drilling are easy to occur during casing running. The method is characterized in that: the casing wall is respectively provided with a longitudinal gas injection hole (6) and a longitudinal gas exhaust and slag discharge hole (7), after a plurality of casings are connected, all the gas injection holes (6) are communicated, all the gas exhaust and slag discharge holes (7) are communicated, wherein the casing at the lowest end is connected with a pneumatic motor (3), the pneumatic motor (3) is connected with a drill bit (4), and the air compressor (9) is connected with the pneumatic motor (3) through a high-pressure gas injection main pipe (11) and the gas injection holes (6). The drilling method does not need a derrick and a drill rod, saves cost, and can not cause the conditions of drilling burying, blocking breaking and collapse when drilling and casing running, and the construction is safe.

Description

Drilling device without derrick and drill pipe sleeve follow-up and drilling method
Technical Field
The invention relates to the field of drillers, in particular to a drilling device and a drilling method without a derrick and a drill pipe sleeve.
Background
The existing drilling method needs a high derrick, the drilling machine drives the drill rod to drive the drill bit to drill downwards, the casing is put down after the drilling is finished, the construction cost is high, the drill rod is easy to drag off during drilling, the situation of burying drilling and collapse easily occurs during casing is put down, and even the well is scrapped in serious cases.
Disclosure of Invention
The invention provides a drilling device without a derrick and a drilling method without a drill rod sleeve to follow, which is safe in construction, and aims to solve the problems that the existing drilling method is high in construction cost, easy to burial, collapse and easy to drag a drill rod during casing running, and the drilling method does not need the derrick and the drill rod, saves the cost, and can not burial, collapse and collapse during casing running during drilling.
The technical scheme of the invention is as follows: the utility model provides a drilling equipment that no derrick does not have drilling rod sleeve pipe follow-up, includes air compressor, sleeve pipe, it has fore-and-aft gas injection hole, exhaust slag hole to open respectively on the sleeve pipe wall, and a plurality of sleeve pipes are connected the back, and gas injection hole communicates with each other with exhaust slag hole respectively, wherein is connected with pneumatic motor on the sleeve pipe of lower extreme, connects the drill bit on the pneumatic motor, air compressor links to each other with pneumatic motor through high-pressure gas injection house steward, gas injection hole.
The casing wall is provided with a longitudinal reverse circulation gas injection hole and a slurry hole, wherein the upper end of the reverse circulation gas injection hole is connected with a high-pressure gas injection main pipe, and the upper end of the slurry hole is connected with a slag discharge main pipe.
The casing comprises a multi-channel casing and a reverse circulation casing, and a reverse circulation gas injection hole on the reverse circulation casing is connected with a mud hole through a gas mud connecting channel.
The reverse circulation casing is located 400m-600m from the bottom of the well.
The inner wall of the sleeve is provided with a slide way, the pneumatic motor is connected to the slide way, and the bottom of the sleeve at the lowest end is provided with a baffle.
The lowest sleeve is a multi-channel sleeve.
The high-pressure gas injection main pipe is connected with the slag discharging pipe, and the slag discharging main pipe is connected with the slag discharging pipe.
A method of drilling a derrick-less drill pipe-less casing follow-up comprising: starting the air compressor to inject air into the air injection hole of the sleeve, driving the air motor to rotate by high-pressure air, driving the drill bit to rotate so as to realize drilling, driving the sleeve to descend when the drill bit drills, closing the air compressor after one sleeve depth is reduced, and restarting the air compressor after the upper end of the underground sleeve is connected with the sleeve at the other end, wherein the drill bit continuously drives the sleeve to descend.
Further, during drilling, after a plurality of multi-channel sleeves are put in, one reverse circulation sleeve is put in.
Further, the air compressor injects air into the reverse circulation air injection hole at the same time, and high-pressure air enters the mud hole through the air mud connecting channel to push mud to be discharged by the slag discharging pipe.
The invention has the following beneficial effects: by adopting the scheme, the drilling device drives the drill bit to drill through the high-pressure gas driving pneumatic motor, and the drill pipe and the derrick are not needed when the drill is put into the casing while drilling, so that the construction cost is saved, and the conditions of well wall collapse, broken clamp and drill burying are avoided, so that the construction is safe.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along B-B in FIG. 1;
fig. 4 is a view in the direction C of fig. 1.
In the figure, a 1-multichannel sleeve, a 2-reverse circulation sleeve, a 3-pneumatic motor, a 4-drill bit, a 5-connecting rod, a 6-gas injection hole, a 7-exhaust slag discharge hole, an 8-slideway, a 9-air compressor, a 10-supercharger, an 11-high-pressure gas injection main pipe, a 12-slag discharge main pipe, a 13-mud-water separator, a 14-slurry hole, a 15-reverse circulation gas injection hole, a 16-gas slurry connecting channel, a 17-upper cover, a 61-gas injection pipe, a 71-exhaust pipe, a 141-slag discharge pipe and a 151-reverse circulation gas injection pipe are arranged.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings:
the utility model provides a well drilling device that no derrick does not have drilling rod sleeve pipe follow-up, includes air compressor 9, sleeve pipe, the sleeve pipe is formed by a plurality of sleeve pipe monomer links to each other, and a plurality of connecting rod 5 is fixed to sleeve pipe monomer up end, and connecting rod 5 upper end protrusion is in sleeve pipe monomer upper surface, and open on the sleeve pipe monomer lower extreme face has the counter bore corresponding with connecting rod 5, and when sleeve pipe monomer was connected, connecting rod 5 upper end was located the sleeve pipe monomer counter bore of upper portion. The casing pipe at the lowest end is connected with a pneumatic motor 3, the pneumatic motor 3 is connected with a drill bit 4, and the drill bit 4 can be selected according to stratum conditions. The inner wall of the sleeve is provided with a slide way 8, the pneumatic motor 3 is connected to the slide way 8, and the bottom of the sleeve at the lowest end is provided with a baffle. The pneumatic motor 3 can slide along the slideway 8, so that after drilling is finished, the pneumatic motor 3 and the drill bit 4 can be lifted from the well along the slideway 8.
The casing wall is respectively provided with a longitudinal gas injection hole 6, an exhaust slag discharge hole 7, a reverse circulation gas injection hole 15 and a slurry hole 14, and after a plurality of casing monomers are connected, the gas injection holes 6, the exhaust slag discharge holes 7, the reverse circulation gas injection hole 15 and the slurry hole 14 respectively correspond to form a gas injection channel, an exhaust channel, a reverse circulation gas injection hole and a slurry channel. The drilling device further comprises an upper cover 17, wherein the upper cover 17 is positioned at the upper end of all the casings and is also connected with the casings through connecting rods 5. The upper cover 17 is respectively connected with the gas injection pipe 61, the exhaust pipe 71, the slag discharge pipe 141 and the reverse circulation gas injection pipe 151, and after the upper cover 17 is connected with the sleeve, the pipelines respectively correspond to the channels, wherein the gas injection pipe 61 and the reverse circulation gas injection pipe 151 are connected with the high-pressure gas injection main 11, the slag discharge pipe 141 is connected with the slag discharge main 12, and the exhaust pipe 71 is communicated with the outside and used for exhausting and drilling waste residues. The air compressor 9 is connected with the pneumatic motor 3 through a high-pressure air injection main pipe 11 and an air injection hole 6, and controls the start and stop of the pneumatic motor 3.
The casing comprises a plurality of multi-channel casings 1 and a reverse circulation casing 2, wherein the casing at the lowest end is the multi-channel casing 1, and the reverse circulation casing 2 is positioned 400m-600m away from the bottom of the well, and optimally 500m. The reverse circulation sleeve 2 is also provided with a gas injection hole 6, a gas exhaust and slag discharge hole 7, a reverse circulation gas injection hole 15 and a mud hole 14, and meanwhile, the reverse circulation gas injection hole 15 on the reverse circulation sleeve 2 is connected with the mud hole 14 through a gas mud connecting channel 16, so that high-pressure gas can push mud to ascend along the mud channel.
A method of drilling a derrick-less drill pipe-less casing follow-up, comprising the steps of:
s1, connecting a drill bit 4 to the lower end of a pneumatic motor 3, and connecting the pneumatic motor 3 to a slideway 8 of a multi-channel sleeve 1; the upper cover 17 is arranged at the upper end of the multichannel sleeve 1, the gas injection pipe 61 and the reverse circulation gas injection pipe 151 on the upper cover 17 are connected with the high-pressure gas injection main pipe 11, and the high-pressure gas injection main pipe 11 is connected with the air compressor 9; the slag discharging pipe 141 is connected with the mud-water separator 13 through the slag discharging main pipe 12.
S2, the drilling device is connected, the multi-channel sleeve 1 is put into the well, the air compressor 9 is started to inject air into the air injection hole 6 of the sleeve, the high-pressure air drives the pneumatic motor 3 to rotate, the drill bit 4 is driven to rotate, drilling is achieved, and meanwhile the sleeve is driven to descend.
S3, after the depth of one sleeve is lowered, closing the air compressor 9, taking down the upper cover 17, and connecting the upper cover 17 to the upper part of the sleeve at the upper end after connecting the sleeve at the other end with the upper end of the sleeve in the pit; the air compressor 9 is started again, and the drill bit 4 continues to drive the sleeve to descend.
S4, during drilling, after a plurality of multi-channel casings 1 are put in, a reverse circulation casing 2 is put in, the reverse circulation casing 2 is located at a position 400m-600m away from the bottom of the well, and the reverse circulation casing 2 is connected between the two multi-channel casings 1. After the reverse circulation sleeve 2 is put in, the air compressor 9 injects air into the air injection hole 6 and simultaneously injects air into the reverse circulation air injection hole 15, high-pressure air enters the mud hole 14 through the air mud connecting channel 16, mud is pushed to be discharged by the slag discharging pipe 141 and enters the mud-water separator 13 through the slag discharging main pipe 12, separated water is injected into the well again, and the mud is transported away by the mud truck for treatment.
S5, after drilling is finished, a steel wire is put in, the pneumatic motor 3 and the drill bit 4 are lifted up, and the pneumatic motor 3 ascends along a slideway 8 on the inner wall of the sleeve, so that the drill bit can be lifted.

Claims (10)

1. The utility model provides a drilling equipment that no derrick does not have drilling rod sleeve pipe follow-up, includes air compressor (9), sleeve pipe, its characterized in that: the casing wall is respectively provided with a longitudinal gas injection hole (6) and a longitudinal gas exhaust and slag discharge hole (7), after a plurality of casings are connected, all the gas injection holes (6) are communicated, all the gas exhaust and slag discharge holes (7) are communicated, wherein the casing at the lowest end is connected with a pneumatic motor (3), the pneumatic motor (3) is connected with a drill bit (4), and the air compressor (9) is connected with the pneumatic motor (3) through a high-pressure gas injection main pipe (11) and the gas injection holes (6).
2. The derrick-less drill pipe casing follow-up drilling apparatus of claim 1, wherein: the casing wall is provided with a longitudinal reverse circulation gas injection hole (15) and a slurry hole (14), wherein the upper end of the reverse circulation gas injection hole (15) is connected with the high-pressure gas injection main pipe (11), and the upper end of the slurry hole (14) is connected with the slag discharge main pipe (12).
3. The derrick-less drill pipe casing follow-up drilling apparatus of claim 2, wherein: the casing comprises a plurality of multi-channel casings (1) and a reverse circulation casing (2), wherein a reverse circulation gas injection hole (15) on the reverse circulation casing (2) is connected with a mud hole (14) through a gas mud connecting channel (16).
4. A derrick-less drilling apparatus followed by drill pipe casing as claimed in claim 3, wherein: the reverse circulation casing (2) is positioned 400m-600m away from the bottom of the well.
5. A derrick-less drilling apparatus followed by drill pipe casing as claimed in claim 3, wherein: the inner wall of the sleeve is provided with a slide way (8), the pneumatic motor (3) is connected to the slide way (8), and the bottom of the sleeve at the lowest end is provided with a baffle.
6. The derrick-less drilling apparatus followed by drill pipe casing of claim 5, wherein: the lowest sleeve is a multi-channel sleeve (1).
7. The derrick-less drilling apparatus followed by drill pipe casing of claim 6, wherein: the slag injection device comprises a slag injection main pipe (12), and is characterized by further comprising an upper cover (17), wherein the upper cover (17) is connected with a sleeve through a connecting rod (5), an air injection pipe (61), an exhaust pipe (71), a slag discharge pipe (141) and a reverse circulation air injection pipe (151) are respectively connected to the upper cover (17), the air injection pipe (61) and the reverse circulation air injection pipe (151) are connected with the high-pressure air injection main pipe (11), and the slag discharge pipe (141) is connected with the slag discharge main pipe (12).
8. A method of drilling using the drilling apparatus of claims 1-7, characterized in that: starting an air compressor (9) to inject air into an air injection hole (6) of the sleeve, driving the air motor (3) to rotate by high-pressure air, driving the drill bit (4) to rotate so as to realize drilling, driving the sleeve to descend when the drill bit (4) drills, closing the air compressor (9) after descending by one sleeve depth, and restarting the air compressor (9) after connecting the upper end of the sleeve in the pit with the sleeve at the other end, wherein the drill bit (4) continuously drives the sleeve to descend.
9. The derrick-less drilling method followed by drill pipe-less casing as recited in claim 8, wherein: during drilling, after a plurality of multi-channel sleeves (1) are put in, a reverse circulation sleeve (2) is put in the position of 400m-600 m.
10. The derrick-less drill pipe-less casing follow-up drilling method of claim 9, wherein: the air compressor (9) injects air into the reverse circulation air injection hole (15) at the same time, high-pressure air enters the mud hole (14) through the air mud connecting channel (16), and mud is pushed to be discharged by the slag discharging pipe (141).
CN202310645855.9A 2023-06-01 2023-06-01 Drilling device without derrick and drill pipe sleeve follow-up and drilling method Pending CN116575859A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310645855.9A CN116575859A (en) 2023-06-01 2023-06-01 Drilling device without derrick and drill pipe sleeve follow-up and drilling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310645855.9A CN116575859A (en) 2023-06-01 2023-06-01 Drilling device without derrick and drill pipe sleeve follow-up and drilling method

Publications (1)

Publication Number Publication Date
CN116575859A true CN116575859A (en) 2023-08-11

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ID=87534037

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310645855.9A Pending CN116575859A (en) 2023-06-01 2023-06-01 Drilling device without derrick and drill pipe sleeve follow-up and drilling method

Country Status (1)

Country Link
CN (1) CN116575859A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116906004A (en) * 2023-09-08 2023-10-20 山东巨辉石油科技有限公司 Packer for well cementation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116906004A (en) * 2023-09-08 2023-10-20 山东巨辉石油科技有限公司 Packer for well cementation
CN116906004B (en) * 2023-09-08 2023-11-14 山东巨辉石油科技有限公司 Packer for well cementation

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