Global to push GA events into
skip to main content

Title: Downhole material injector for lost circulation control

Apparatus and method for simultaneously and separately emplacing two streams of different materials through a drillstring in a borehole to a downhole location for lost circulation control. The two streams are mixed outside the drillstring at the desired downhole location and harden only after mixing for control of a lost circulation zone.
Inventors:
 [1]
  1. (Tijeras, NM)
Issue Date:
OSTI Identifier:
869476
Assignee:
United States of America as represented by United States (Washington, DC) SNL
Patent Number(s):
US 5343968
Contract Number:
AC04-76DP00789
Research Org:
AT & T CORP
Country of Publication:
United States
Language:
English
Subject:
downhole; material; injector; lost; circulation; control; apparatus; method; simultaneously; separately; emplacing; streams; materials; drillstring; borehole; location; mixed; outside; desired; harden; mixing; zone; lost circulation; control apparatus; circulation control; downhole location; /175/166/405/