Directional drilling pipelay
Patent
·
OSTI ID:5770966
A method is described for laying a pipeline beneath a seabottom subject to ice gouging, comprising: forming a borehole with drilling means; gripping the inside of the borehole with at least one tractor; applying thrust from at least one tractor to propel the drilling means forward until a deep arcuate borehole is formed beneath the seabottom sufficiently deep to avoid ice gouging and inserting a pipeline into the borehole.
- Assignee:
- Shell Oil Co., Houston, TX
- Patent Number(s):
- US 4700788
- OSTI ID:
- 5770966
- Country of Publication:
- United States
- Language:
- English
Similar Records
Pipelaying in artic offshore waters
A self propelled drilling system for hard-rock, horizontal and coiled tube drilling
Underwater trencher with pipelaying guide
Patent
·
Mon Nov 18 23:00:00 EST 1985
·
OSTI ID:5909569
A self propelled drilling system for hard-rock, horizontal and coiled tube drilling
Conference
·
Tue Dec 30 23:00:00 EST 1997
·
OSTI ID:603431
Underwater trencher with pipelaying guide
Patent
·
Mon Mar 10 23:00:00 EST 1986
·
OSTI ID:5783717
Related Subjects
02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
42 ENGINEERING
423000 -- Engineering-- Marine Engineering-- (1980-)
BOREHOLES
CAVITIES
DRILL PIPES
DRILLING
DRILLING EQUIPMENT
EQUIPMENT
ICE
ICEBERGS
INSTALLATION
NATURAL GAS WELLS
OFFSHORE DRILLING
OIL WELLS
PIPES
SEA BED
WELLS
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
42 ENGINEERING
423000 -- Engineering-- Marine Engineering-- (1980-)
BOREHOLES
CAVITIES
DRILL PIPES
DRILLING
DRILLING EQUIPMENT
EQUIPMENT
ICE
ICEBERGS
INSTALLATION
NATURAL GAS WELLS
OFFSHORE DRILLING
OIL WELLS
PIPES
SEA BED
WELLS