APA 摊上事了，摊上大事了# Stock
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Apache natural gas well has leak beneath floor of U.S. Gulf
Feb 16 (Reuters) - Natural gas from a well being drilled by Apache
Corporation in the U.S. Gulf of Mexico has flowed underground, leading U.S.
regulators to order the company to prepare to drill a relief well to control
the flow if necessary, the U.S. Bureau of Safety and Environmental
Enforcement said.
Apache shut in the well on Feb. 5 after it had a "kick" upon encountering a
zone of "abnormally pressured" natural gas while drilling, the company said
in a statement on its website.
A kick commonly refers to a temporary loss of control over the well due to
higher than anticipated pressures being encountered while drilling, leading
to fluids or gas flowing into the well.
Non-essential personnel have been evacuated from the Ensco Plc drilling rig
Ensco 87 and no gas or oil has leaked into the Gulf of Mexico, Apache said.
The incident occurred in shallow waters in Main Pass block 295,
approximately 50 miles (80.5 km) east of Venice, Louisiana.
Apache is moving another rig it has under contract owned by drilling firm
Rowan Companies Plc to the site to drill a relief well if necessary to stop
the gas from flowing underground.
A relief well is typically used to stop an uncontrolled flow of gas or
fluids from a well when other methods fail.
Feb 16 (Reuters) - Natural gas from a well being drilled by Apache
Corporation in the U.S. Gulf of Mexico has flowed underground, leading U.S.
regulators to order the company to prepare to drill a relief well to control
the flow if necessary, the U.S. Bureau of Safety and Environmental
Enforcement said.
Apache shut in the well on Feb. 5 after it had a "kick" upon encountering a
zone of "abnormally pressured" natural gas while drilling, the company said
in a statement on its website.
A kick commonly refers to a temporary loss of control over the well due to
higher than anticipated pressures being encountered while drilling, leading
to fluids or gas flowing into the well.
Non-essential personnel have been evacuated from the Ensco Plc drilling rig
Ensco 87 and no gas or oil has leaked into the Gulf of Mexico, Apache said.
The incident occurred in shallow waters in Main Pass block 295,
approximately 50 miles (80.5 km) east of Venice, Louisiana.
Apache is moving another rig it has under contract owned by drilling firm
Rowan Companies Plc to the site to drill a relief well if necessary to stop
the gas from flowing underground.
A relief well is typically used to stop an uncontrolled flow of gas or
fluids from a well when other methods fail.
