ECSP951411A - HIGH PRESSURE DRILLING DEVICE - Google Patents

HIGH PRESSURE DRILLING DEVICE

Info

Publication number
ECSP951411A
ECSP951411A ECSP951411A ECSP951411A EC SP951411 A ECSP951411 A EC SP951411A EC SP951411 A ECSP951411 A EC SP951411A EC SP951411 A ECSP951411 A EC SP951411A
Authority
EC
Ecuador
Prior art keywords
drill rod
pipe
high pressure
drilling device
pressure drilling
Prior art date
Application number
Other languages
Spanish (es)
Inventor
Bill D Andrew
William D Duwe
Michael L Wilson
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 filed Critical
Priority to ECSP951411 priority Critical patent/ECSP951411A/en
Publication of ECSP951411A publication Critical patent/ECSP951411A/en

Links

Landscapes

  • Earth Drilling (AREA)

Abstract

Se refiere a un aparato para perforar una abertura dentro de una tubería existente que está bajo presión interna, incluyendo un cuerpo de máquina de perforación alargado que contiene instrumentos en un extremo para la fijación a una tubería, una barra de perforación que tiene un tornillo de alimentación rotatorio dentro del cual la barra de perforación es posicionada axialmente, y una válvula sensible a la presión activada por el diferencial de presión entre el interior de la tubería y el interior del cuerpo de la máquina de perforación para de tal modo contrabalancear la fuerza hidráulica aplicada a la barra de perforación.Refers to an apparatus for drilling an opening into an existing pipe that is under internal pressure, including an elongated drilling machine body containing instruments at one end for attachment to a pipe, a drill rod having a set screw. rotary feed within which the drill rod is axially positioned, and a pressure sensitive valve activated by the pressure differential between the inside of the pipe and the inside of the body of the drilling machine to thereby counterbalance the hydraulic force applied to the drill rod.

ECSP951411 1995-03-17 1995-03-17 HIGH PRESSURE DRILLING DEVICE ECSP951411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ECSP951411 ECSP951411A (en) 1995-03-17 1995-03-17 HIGH PRESSURE DRILLING DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ECSP951411 ECSP951411A (en) 1995-03-17 1995-03-17 HIGH PRESSURE DRILLING DEVICE

Publications (1)

Publication Number Publication Date
ECSP951411A true ECSP951411A (en) 1996-05-10

Family

ID=42042056

Family Applications (1)

Application Number Title Priority Date Filing Date
ECSP951411 ECSP951411A (en) 1995-03-17 1995-03-17 HIGH PRESSURE DRILLING DEVICE

Country Status (1)

Country Link
EC (1) ECSP951411A (en)

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