LINING MATERIAL WITH INCREASED EFFECTIVENESS FOR DRILLING PIPE OF HYDROCARBON PRODUCING WELL

Title:

LINING MATERIAL WITH INCREASED EFFECTIVENESS FOR DRILLING PIPE OF HYDROCARBON PRODUCING WELL

Document Type and Number:

Japanese Patent JPS58156693

Kind Code:

A

Abstract:

The liner of a hollow charge that is to be used for perforating pipes of hydrocarbon-producing wells consists of elementary bismuth, an alloy thereof, or a metal mixture thereof. Preferred are eutectic alloys consisting of: 55.5% Bi and 44.5% Pb; 58% Bi and 42% Sn; 60% Bi and 40% Cd; 28.5% Pb, 14.5% Sn, 9% Sb, 48% Bi, or Bi/Co alloy containing 0.7% Bi.

Inventors:

JIOZO BENSU
YANOSU DERESU
PEETAA TSUCHI

Application Number:

JP17919682A

Publication Date:

September 17, 1983

Filing Date:

October 14, 1982

Export Citation:

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Assignee:

ORSZAGOS KOOLAJ GAZIPARI
BEJIIIESU ROBANOANYAGU FUERIIG

International Classes:

E21B43/116; E21B43/02; F42B1/032; (IPC1-7): E21B43/02

Attorney, Agent or Firm:

Aoki Akira

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