CN-116624091-B - All-metal intelligent control power drilling tool

CN116624091BCN 116624091 BCN116624091 BCN 116624091BCN-116624091-B

Abstract

The invention belongs to the technical field of petroleum drilling, and particularly relates to an all-metal intelligent control power drilling tool. The technical scheme includes that the all-metal intelligent control power drilling tool comprises an electric control module, a power module and a transmission module, wherein the electric control module determines the axial position of a connecting rod valve through an electromagnet and controls connection of the connecting rod valve and a piston through a motor, drilling fluid in the power module drives a double worm to axially move under the action of spiral internal teeth on the inner surface of a shell, a one-way bearing ensures that the power module only transmits unidirectional movement, and the transmission module axially limits the power module through a TC bearing and transmits circumferential movement, drilling pressure and torque to a lower drilling tool. The invention provides an all-metal intelligent control power drilling tool which is suitable for various deep well exploration, and has strong drilling force, low cost and strong applicability.

Inventors

TIAN JIALIN
SONG JUNYANG
ZHA LEI
LI HENG
REN YANNIU
XING CHUNYU
YANG LIN
RAN LONG

Assignees

西南石油大学
南通谐铭科技有限公司
四川谐铭科技有限公司

Dates

Publication Date: 20260508
Application Date: 20230410

Claims (8)

1. The all-metal intelligent control power drilling tool is characterized by comprising an electric control module, an upper connecting sleeve (1), a connecting rod valve cover (2), a connecting rod valve (3), a signal output module (4), a lower connecting sleeve (5), a piston (6) and a signal receiving module (7), a power module, an upper plane thrust ball bearing (8), a right-handed worm (9), a right-handed transmission shaft (10), a lower plane thrust ball bearing (11), a left-handed worm (12), an upper serial bearing (13), a shell (14), an end cover (15), an upper one-way bearing (16), a lower one-way bearing (17), a connecting shaft (18), a one-way shaft (19) and a spring (20), a transmission module, a transmission shaft shell (21), an upper TC bearing moving ring (22), an upper moving ring alloy (23), an upper static ring alloy (24), an upper TC bearing static ring (25), a transmission shaft (26), a lower serial bearing (27), a pressure-bearing sleeve (28), a semi-ring (29), a semi-ring (30), a lower TC bearing moving ring (31), a lower static ring alloy (32) and a lower static ring alloy (20), the lower TC bearing static ring (34) is formed, all parts of the all-metal intelligent control power drilling tool are coaxial, two ends of the all-metal intelligent control power drilling tool are detachably connected, the upper connecting sleeve (1) is a drilling fluid input port, the upper connecting sleeve (1) is connected with the lower connecting sleeve (5), the outer shell (14) and the transmission shaft outer shell (21) sequentially through taper threads, the connecting rod valve (3) and the piston (6) are axially limited through electromagnet clamps, an upper plane thrust ball bearing (8) is arranged between the piston (6) and the right-handed worm (9), the right-handed worm (9) is connected with the right-handed transmission shaft (10) through a key structure, a lower plane thrust ball bearing (11) is arranged between the right-handed worm (9) and the left-handed worm (12), an upper serial bearing (13) is arranged between the left-handed worm (12) and the right-handed transmission shaft (10), an upper one-way bearing (16) and a lower one-way bearing (17) are respectively arranged and welded between the left-handed transmission shaft (10) and the connecting shaft (18), the connecting shaft (18) is internally provided with a boss (18) which is connected with the one-way bearing (19) through a one-way shaft (19), the connecting shaft (18) and the inner cavity of the unidirectional shaft (19) are provided with springs (20), the transmission shaft (26) is in threaded connection with the unidirectional shaft (19), an upper TC bearing moving coil (22), an upper moving coil alloy (23), an upper static coil alloy (24) and an upper TC bearing static coil (25) form an upper TC bearing, a lower TC bearing moving coil (31), a lower moving coil alloy (32), a lower static coil alloy (33) and a lower TC bearing static coil (34) form a lower TC bearing, a lower string bearing (27), a pressure-bearing sleeve (28), a semi-ring (29) and a spacer bush (30) are arranged between the upper TC bearing and the lower TC bearing, and the pressure-bearing sleeve (28) and the semi-ring (29) can axially limit and transmit drilling pressure.
2. The all-metal intelligent control power drilling tool according to claim 1, wherein a signal output module (4) is arranged in the connecting rod valve (3) and the connecting rod valve cover (2), the signal output module (4) comprises a control board, a Hall sensor, a battery and a signal emitter, a signal receiving module (7) is arranged in the piston (6), the signal receiving module (7) comprises the control board, a signal receiver, the battery, a brushless motor and a speed direction sensor, and the connecting rod valve (301) and the piston (6) are matched to control the pressure of drilling fluid.
3. The all-metal intelligent control power drill according to claim 1, wherein the piston (6) is divided into a piston outer ring (601) and a piston inner ring (602), the piston outer ring (601) is solid, the piston inner ring (602) is hollow, a signal receiving module (7) is arranged, and the signal receiving module (7) transmits an electric signal to the electromagnet (604) through a piston inner channel (603).
4. The all-metal intelligent control power drilling tool according to claim 1 is characterized in that bosses are arranged in the upper connecting sleeve (1) and the lower connecting sleeve (5), annular magnets are arranged in the bosses, and the signal output module (4) senses magnetic signals of the magnetic rings and transmits the magnetic signals to the signal receiving module (7).
5. The intelligent all-metal control power drilling tool according to claim 1, wherein the signal receiving module (7) receives the wireless communication signal of the signal output module (4), controls the internal motor and controls the switch of the electromagnet (604) according to the position of the connecting rod valve (3).
6. The intelligent all-metal control power drilling tool according to claim 1, wherein a sealing ring is used for sealing between the piston (6) and the housing (14), the inner surface of the housing (14) is subjected to surface treatment, right-handed volute inner teeth (1401) and left-handed volute inner teeth (1401) are arranged on the inner surface of the housing (14), and oil filling holes are formed in the positions corresponding to the housing.
7. The all-metal intelligent control power drill according to claim 1, wherein the connecting shaft (18) is coaxial with the spring (20), the spring (20) has a certain pretightening force, and the outer diameter of the connecting shaft (18) is smaller than the inner diameter of the lower transmission shaft (26).
8. The all-metal intelligent control power drilling tool according to claim 1, wherein a transmission shaft housing (21) and TC bearings in the transmission module axially limit the power module, and upper and lower TC bearings axially limit the transmission shaft housing (21).

Description

All-metal intelligent control power drilling tool Technical Field The invention belongs to the technical field of petroleum drilling, and particularly relates to an all-metal intelligent control power drilling tool. Background At present, seventy-three percent of undetermined petroleum in China is stored in deep stratum and ultra-deep stratum, deep wells with more than four kilometers of medium petroleum reach more than seven hundred mouths, and deep wells with more than six kilometers reach more than one hundred fifty mouths. Deep well and ultra-deep well operations face a number of problems, such as more complex rock properties, difficult drilling, increased exploration and exploitation difficulty, low mechanical drilling speed, long drilling period and high drilling cost, harder drilling environment, and power supplied by the ground not reaching the rock breaking requirement. Conventional downhole power drilling tools have various limitations and inconveniences in drilling deep wells and ultra-deep wells, and the downhole power drilling tools are strong in adaptability and reliability and necessary for further exploration. Disclosure of Invention The invention aims to provide an all-metal intelligent control power drilling tool with strong adaptability and high efficiency. The invention aims at achieving the aim, the technical scheme adopted by the invention is that the all-metal intelligent control power drilling tool consists of an electric control module, a power module and a transmission module, wherein the electric control module comprises an upper connecting sleeve, a connecting rod valve cover, a connecting rod valve, a signal output module, a lower connecting sleeve, a piston, a signal receiving module, an upper plane thrust ball bearing, a right-handed worm, a right-handed transmission shaft, a lower plane thrust ball bearing, a left-handed worm, an upper serial bearing, a shell, an end cover, an upper one-way bearing, a lower one-way bearing, a connecting shaft, a one-way shaft, a spring, a transmission shaft shell, an upper TC bearing moving coil, an upper moving coil alloy, an upper dead coil alloy, an upper TC bearing dead coil, a transmission shaft, a lower serial bearing, a pressure-bearing sleeve, a semi-rings, a spacer sleeve, a lower TC bearing moving coil alloy, a lower dead coil alloy and a lower TC bearing dead coil, the all parts of the all-metal intelligent control power drilling tool are coaxial, the all-metal intelligent control power drilling tool is detachably connected at two ends, the upper connecting sleeve is an input port, the upper connecting sleeve is connected with the lower plane thrust ball bearing, the shell and the transmission shaft is sequentially connected with the left-handed worm, the transmission shaft shell is connected with the transmission shaft through the taper threads, the upper connecting sleeve is provided with the lower connecting sleeve, the piston, the upper connecting sleeve is connected with the piston and the piston through the taper-shaped connecting sleeve, the left-handed bearing, the output module is provided with the output connecting rod and the output connecting rod by the connecting rod and the connecting sleeve and the piston, the piston and the piston in turn by the wireless connection between the connecting sleeve and the piston, an upper unidirectional bearing and a lower unidirectional bearing are respectively arranged between the right-handed transmission shaft and the connecting shaft, the connecting shaft is connected with the end cover through screws to limit the axial position of the upper unidirectional bearing, a boss is arranged in the connecting shaft to separate the upper unidirectional bearing from the lower unidirectional bearing, the connecting shaft is in spline connection with the unidirectional shaft, springs are arranged in the connecting shaft and the unidirectional shaft, the transmission shaft is in threaded connection with the unidirectional shaft, the lower end of the transmission shaft is connected with other underground drilling tools, an upper TC bearing is formed by an upper TC bearing moving coil, an upper moving coil alloy, an upper static coil alloy and an upper TC bearing static coil, a lower TC bearing moving coil, a lower moving coil alloy, a lower static coil alloy and a lower TC bearing static coil, a lower serial bearing, a pressure-bearing sleeve, a semi-ring and a spacer sleeve are arranged between the upper TC bearing and the lower TC bearing, and the pressure-bearing sleeve can limit and transmit the pressure-bearing pressure axially. Preferably, the connecting rod valve and the connecting rod valve cover are internally provided with a signal output module, the signal output module comprises a control board, a Hall sensor, a battery and a signal transmitter, and the piston is internally provided with a signal receiving module, wherein the signal receiving module comprises the control board, a si