公开(公告)号：US3927723A

公开(公告)日：1975-12-23

申请号：US36898473

申请日：1973-06-11

Applicant: EXOTECH

Inventor： HALL JAMES M ,  CLIPP LOUIS L

IPC: B05B12/06 ,  E21B7/18

CPC classification number: B05B12/06 ,  E21B7/18

Abstract: Apparatus for drilling holes in a formation utilizing pulsed jets of charge material. A housing encloses means for generating pulsed jets of, for example, liquid charge material. One or more acceleration bores extend out the housing in a conical pattern. One or more longitudinal grooves are included in the housing, and means are provided for impelling spent charge material, formation chips, mud, etc. from the hole and out through the longitudinal grooves. A single acceleration bore can have one or more outlet bores angled therefrom to cause a rotational force in the housing in response to expelling of pulsed jets of charge material out the outlet bores. The housing can be made of a first portion with the acceleration bore therein and a nozzle portion with the outlet bores therein and rotatably coupled to the first portion so that only the nozzle portion rotates in response to expelling of pulsed jets. Smoothing tips can extend from the housing to smooth the hole as the housing rotates.

Abstract translation: 利用脉冲喷射电荷材料在地层中钻孔的装置。 壳体包围用于产生例如液体充电材料的脉冲射流的装置。 一个或多个加速孔以圆锥形的方式延伸出外壳。 一个或多个纵向凹槽包括在壳体中，并且设置有用于从孔中推动带电材料，形成芯片，泥浆等并通过纵向凹槽排出的装置。 单个加速孔可以具有与其成角度的一个或多个出口孔，以响应于将充电材料的脉冲射流排出出口孔而引起壳体中的旋转力。 壳体可以由其中具有加速孔的第一部分制成，并且具有出口孔的喷嘴部分在其中并且可旋转地联接到第一部分，使得仅喷嘴部分响应于脉冲喷嘴的排出而旋转。 平滑的尖端可以从壳体延伸，以使壳体旋转时平滑孔。