一种负压吸附式钻井井筒清淤机械装置

The negative pressure adsorption drilling wellbore dredging mechanical device uses the cooperation of drive gear and driven gear to achieve stable rotation of the rotating pipe. Combined with high-pressure water spray and rotating scraper to remove silt, it solves the problems of low efficiency and damage to the wellbore caused by traditional cleaning methods, and achieves efficient and safe dredging effect.

CN224515164UActive Publication Date: 2026-07-17HUIZHOU HAIYAO ENERGY TECHNOLOGY CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUIZHOU HAIYAO ENERGY TECHNOLOGY CO LTD
Filing Date
2025-09-25
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Traditional drilling wellbore cleaning methods are inefficient and may damage the wellbore structure, posing safety risks.

Method used

The machine employs a negative pressure adsorption drilling wellbore dredging device. The stable rotation of the rotating pipe is achieved through the cooperation of the drive gear and the driven gear. Combined with high-pressure water spray and rotating scraper, the silt is removed, and the mud is rapidly sucked out using the annularly distributed suction ports.

Benefits of technology

It improves the efficiency of well cleaning, avoids damage to the well structure, and ensures the safety and continuity of the dredging process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224515164U_ABST
    Figure CN224515164U_ABST
Patent Text Reader

Abstract

本实用新型提供一种负压吸附式钻井井筒清淤机械装置,属于石油钻井工程装备技术领域,包括固定座、转动连接在所述固定座内壁的转动管、固定连接在所述转动管侧壁的固定杆、设置在所述转动管表面的喷水组件;固定连接在所述固定座底端的抽吸组件,以及螺栓连接在所述固定杆顶端的旋转组件。本实用新型通过主动齿轮和从动齿轮的配合,实现了转动管的稳定旋转,通过进水管和喷水头的配合,实现了对井筒内壁进行高压冲洗,有效清除附着在井筒内壁的淤泥和杂质,通过旋转刮板和喷水组件的配合,提高了清淤效率,通过抽吸口沿环形管环形分布的设置,实现了泥浆能快速地抽吸,避免了泥浆在井筒内的残留。
Need to check novelty before this filing date? Find Prior Art

Claims

1. A negative pressure adsorption type wellbore dewatering mechanical device, characterized by: include, The components include a fixed base (101), a rotating tube (102) rotatably connected to the inner wall of the fixed base (101), a fixed rod (103) fixedly connected to the side wall of the rotating tube (102), a water spray assembly (104) disposed on the surface of the rotating tube (102), a suction assembly (105) fixedly connected to the bottom end of the fixed base (101), and a rotating assembly (106) bolted to the top end of the fixed rod (103). The suction assembly (105) includes a connecting block (105a) fixedly connected to the bottom end of the fixed base (101), an annular tube (105b) fixedly connected to the bottom end of the connecting block (105a), a flow tube (105c) disposed on the inner wall of the annular tube (105b), a suction port (105d) disposed on the side wall of the flow tube (105c), and a connecting tube (105e) disposed on the surface of the flow tube (105c).

2. A negative pressure adsorption type drilling wellbore dewatering mechanical device according to claim 1, characterized in that: The water spray assembly (104) includes a motor (104a) adapted to be mounted on the surface of the mounting base (101), and a drive gear (104b) fixedly connected to the output end of the motor (104a).

3. A negative pressure adsorption type drilling wellbore dewatering mechanical device according to claim 2, characterized in that: The water spray assembly (104) also includes a driven gear (104c) meshing with the side wall of the driving gear (104b) and a water inlet pipe (104d) disposed on the inner wall of the rotating pipe (102).

4. A negative pressure adsorption type drilling wellbore dewatering mechanical device according to claim 3, characterized in that: The water spray assembly (104) also includes a housing (104e) fixedly connected to the surface of the fixed base (101) and a water spray head (104f) disposed at the bottom end of the water inlet pipe (104d).

5. A negative pressure adsorption type drilling wellbore dewatering mechanical device according to claim 4, characterized in that: The rotating assembly (106) includes a connecting sleeve (106a) bolted to the top of the fixed rod (103), a limiting bolt (106b) threaded to the surface of the connecting sleeve (106a), and a spring (106c) disposed on the inner wall of the connecting sleeve (106a).

6. A negative pressure adsorption type drilling wellbore dewatering mechanical device according to claim 5, characterized in that: The rotating assembly (106) further includes a fixing plate (106d) fixedly connected to the side wall of the connecting sleeve (106a), a rotating scraper (106e) fixedly connected to the surface of the fixing plate (106d), and a connecting plate (106f) fixedly connected to the bottom end of the fixing plate (106d).

7. A negative pressure adsorption type drilling wellbore dewatering mechanical device according to claim 6, characterized in that: One end of the spring (106c) is fixedly connected to the fixing rod (103), and the other end of the spring (106c) is fixedly connected to the connecting plate (106f). There are multiple suction ports (105d), and multiple suction ports (105d) are distributed in a ring on the annular tube (105b).