MMS to require casing pressure monitoring for subsea wellheads

The US Minerals Management Service has proposed that wells with subsea wellheads completed after Jan. 1, 2005, have the means for monitoring casing pressures.MMS issued a notice of proposed rulemaking to amend its regulations for oil and gas well-completion operations. Under the proposal, published in the Nov. 9, 2001, Federal Register, operators would have until Jan. 8, 2002, to comment on the proposed rule. Click here to enlarge imageAccording to wellhead manufacturers, the requirement represents a technical challenge to existing subsea wellhead designs, in which casing annuli are isolated once subsequent casing strings are landed in the wellhead as the wells are drilled (Fig. 1). Cli...

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