Mobile offshore structure for arctic exploratory drilling

Patent · Tue Apr 23 00:00:00 EST 1985

OSTI ID:6360595

Hale, D R; Orndorff, Jr, J A; Owen, W A

An offshore exploratory drilling floatable structure ballastable to rest on a sea floor but to extend above water level when so supported and adapted to withstand arctic ice loads, comprising a substantially vertical wall capable of withstanding arctic ice loads; a structural load bearing bottom rigidly connected to a lower portion of the wall; and a floatable vertically displaceable load bearing structural deck inside the wall.

• Assignee: CBI Offshore Inc.
• Patent Number(s): US 4512684
• OSTI ID: 6360595
• Resource Relation: Patent File Date: Filed date 13 Jun 1983; Other Information: PAT-APPL-503703
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
42 ENGINEERING
NATURAL GAS DEPOSITS
EXPLORATION
OFFSHORE PLATFORMS
DESIGN
PETROLEUM DEPOSITS
ARCTIC REGIONS
EXPLORATORY WELLS
ICE
LOADING
SEA BED
GEOLOGIC DEPOSITS
MATERIALS HANDLING
MINERAL RESOURCES
POLAR REGIONS
RESOURCES
WELLS
020200* - Petroleum- Reserves
Geology
& Exploration
030200 - Natural Gas- Reserves
Geology
& Exploration
423000 - Engineering- Marine Engineering- (1980-)