Horizontal drilling machine with an in-situ detection device

Patent metadata

Field	Value
Publication number	US-11505997-B2
Application number	US-202117485712-A
Country	US
Kind code	B2
Filing date	Sep 27, 2021
Priority date	Dec 18, 2020
Publication date	Nov 22, 2022
Grant date	Nov 22, 2022

Abstract

A horizontal drilling machine with an in-situ detection device, including a support frame, an armored cable, a steel pipe-straightening mechanism, a steel pipe-feeding mechanism, a motor, a power head, a drill pipe, a rotating chuck, a damper, a non-core drilling tool, the in-situ detection device, a fishing device and a thrust cylinder. The steel pipe-straightening mechanism, the steel pipe-feeding mechanism, the rotating chuck and the damper are sequentially fixed on the support frame from left to right. One end of the thrust cylinder is hinged with the support frame, and the other end is connected to the power head. The active drill pipe of the power head is connected to the drill pipe. An end of the armored cable is connected to the fishing device in the drill pipe, and the fishing head of the fishing device is connected to the spearhead of the non-core drilling tool.

First claim

What is claimed is:

1. A horizontal drilling machine with an in-situ detection device, comprising:
a support frame;
an armored cable;
a steel pipe-straightening mechanism;
a steel pipe-feeding mechanism;
a washing pump;
a motor;
a power head;
a drill pipe;
a rotating chuck;
a damper;
a non-core drilling tool;
an in-situ detection device;
a fishing device;
a thrust cylinder;
a photoelectric slip ring;
a data collection device; and
a computer;
wherein the steel pipe-straightening mechanism and the steel pipe-feeding mechanism are fixedly provided on the support frame; one end of the thrust cylinder is hinged with the support frame, and the other end of the thrust cylinder is connected to the power head; the power head is arranged on a slide rail of the support frame; a piston rod of the thrust cylinder is configured to drive the power head to move on the slide rail by extension and retraction; the power head is connected to the drill pipe through an active drill pipe to drive the drill pipe to rotate; the armored cable is wound on a storage rack; one end of the armored cable is connected to the data collection device through the photoelectric slip ring; the data collection device is connected to the computer; the other end of the armored cable passes through the steel pipe-straightening mechanism, the steel pipe-feeding mechanism and a sealing joint to be connected to the fishing device arranged in the drill pipe; the sealing joint is arranged on the power head, and is communicated with an inner cavity of the active drill pipe; the fishing device is connected to a spearhead of the non-core drilling tool to drill a hard rock strata, or the fishing device is connected to a spearhead of the in-situ detection device to detect a conical tip resistance, a side friction and a pore water pressure in a penetration path of a soft strata; the washing pump is communicated with the inner cavity of the active drill pipe; and a rotating water-supply device is arranged on the power head.

2. The horizontal drilling machine of claim 1 , wherein the steel pipe-straightening mechanism comprises multiple sets of rolling wheels; the multiple sets of rolling wheels are fixedly arranged on the support frame; each set of rolling wheels comprises two rolling wheels; axes of the two rolling wheels in the same set are located in a vertical plane; and vertical planes in which axes of the multiple sets of rolling wheels are located are parallel to each other.

3. The horizontal drilling machine of claim 2 , wherein the steel pipe-feeding mechanism comprises a casing, an upper friction wheel and a lower friction wheel; an axis of the upper friction wheel is parallel to an axis of the lower friction wheel; the axis of the upper friction wheel and the axis of the lower friction wheel are located in a vertical plane; and the vertical plane in which the axis of the upper friction wheel and the axis of the lower friction wheel are located is parallel to the vertical planes in which the axes of the multiple sets of rolling wheels are located; and the lower friction wheel is connected to a motor.

4. The horizontal drilling machine of claim 1 , wherein the rotating chuck and the damper are arranged on an end of the support frame near a drill hole; the damper is configured to clamp the drill pipe, and the rotating chuck is configured to connect the drill pipe with the active drill pipe or disconnect the drill pipe from the active drill pipe.

5. The horizontal drilling machine of claim 4 , wherein the rotating chuck comprises an oil motor, a reduction gearbox, a first transmission shaft, a second transmission shaft, a protecting tube, a rotating oil-separating tube, a fixed oil-separating tube, a slip assembly and a centralizer; the oil motor is arranged on the reduction gearbox; an output shaft of the oil motor is located in the reduction gearbox; the output shaft of the oil motor is provided with a driving gear; the first transmission shaft and the second transmission shaft are arranged in the reduction gearbox; the first transmission shaft is provided with a first driven gear and a second driven gear; the second transmission shaft is provided in the reduction gearbox; the second transmission shaft is provided with a third driven gear and a fourth driven gear; the fixed oil-separating tube is arranged on a bottom plate of the reduction gearbox; the fixed oil-separating tube is sleeved in the rotating oil-separating tube; the rotating oil-separating tube is provided with a fifth driven gear; the driving gear is engaged with the first driven gear; the second driven gear is engaged with the third driven gear; the fourth driven gear is engaged with the fifth driven gear; the output shaft of the oil motor is parallel to axes of the first transmission shaft, the second transmission shaft and the fixed oil-separating tube, and is located in the same plane with the axes of the first transmission shaft, the second transmission shaft and the fixed oil-separating tube; the protecting tube is connected to the reduction gearbox through a bolt; the slip assembly is arranged in the protecting tube and is connected to the rotating oil-separating tube; the centralizer is arranged on the protecting tube; the reduction gearbox is fixedly arranged on the support frame; and the fixed oil-separating tube is coaxial with the drill pipe.

6. The horizontal drilling machine of claim 4 , wherein the damper comprises a first oil cylinder, a second oil cylinder, two slip assemblies, a top plate, a bottom plate and two side plates; the top plate, the bottom plate and the two side plates together form a square tubular structure; the square tubular structure is arranged on the support frame; the top plate is provided with a first drill pipe hole for the drill pipe to pass through; the bottom plate is provided with a second drill pipe hole for the drill pipe to pass through; the first and second drill pipe holes are coaxially provided; and the two slip assemblies are respectively arranged on both sides of the first and second drill pipe holes; and slips of the two slip assemblies are arranged opposite to each other; the first oil cylinder and the second oil cylinder are arranged on the support frame and respectively located at two ends of the square tubular structure; and piston rods of the first oil cylinder and the second oil cylinder are arranged opposite to each other, and are respectively connected to the two slip assemblies.

7. The horizontal drilling machine of claim 1 , wherein the power head comprises the motor, a reduction gearbox, a transmission shaft and the active drill pipe; the motor is arranged on the reduction gearbox; an output shaft of the motor is located in the reduction gearbox; the output shaft of the motor is provided with a driving gear; the transmission shaft is arranged in the reduction gearbox; the active drill pipe is arranged on the reduction gearbox; an axis of the output shaft of the motor is parallel to the transmission shaft and the active drill pipe; and an end of the active drill pipe extending out of the reduction gearbox is threadedly connected to the drill pipe.

8. The horizontal drilling machine of claim 1 , wherein a diameter of the sealing joint is larger than that of the armored cable.

9. The horizontal drilling machine of claim 1 , wherein the in-situ detection device comprises a locking mechanism, an electronic bin and a detecting probe; the locking mechanism, the electronic bin and the detecting probe are coaxially arranged; a bottom of the locking mechanism is connected to the electronic bin; and the electronic bin is connected to the detecting probe.

10. The horizontal drilling machine of claim 1 , wherein the non-core drilling tool compri

Assignees

• Univ Hunan Science & Technology

Inventors

• Wan Buyan
• Jin Yongping
• Peng Fenfei
• Wang Jialiang
• Liu Huan

Classifications

• E21B19/10

  Slips; Spiders {; Catching devices (rotary tables with master bushing or kelly bushing E21B3/04)} · CPC title

• E21B7/046 Primary

  horizontal drilling (drilling with mechanical conveying means E21B7/003) · CPC title

• E21B47/12

  Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling · CPC title

• E21B25/16

  for obtaining oriented cores · CPC title

• E21B31/18

  gripping externally, e.g. overshot · CPC title