Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Dual bore well treating tool

Patent ·
OSTI ID:6964804
An improved dual bore treating tool for use in well bores and the like, the improvement is described comprising: elongated valve means having first and second passageways extending longitudinally therethrough; annular valve seat means encircling the first passageway; a valve member located in the valve means in engagement with the valve seat means and having a bore extending therethrough; valve operating means located in the second passageway in engagement with the valve member and responsive to fluid pressure in the second passageway for moving the valve member between the open and closed positions; and the flow control member has at least one flow port extending laterally therethrough and the valve means forming a sliding seal between the valve means and the flow control member.
Assignee:
Dresser Industries, Inc., Dallas, TX
Patent Number(s):
US 4749036
OSTI ID:
6964804
Country of Publication:
United States
Language:
English