5.18 WellStatus

abandoned

The status of a facility in which drilling,

completion, and production operations have been permanently

terminated.

active

For a well to be active, at least one of its

wellbores must be active. For a wellbore to be active, at least

one of its completions must be actively producing or injecting

fluids.

active -- injecting

Fluids are actively being injected into the

facility.

active -- producing

Fluids are actively being produced from the

facility.

completed

The completion has been installed, but the

facility is not yet active. This status is appropriate only

before the initial producing or injecting activity.

drilling

The status of a well or wellbore in which drilling

operations have begun, but are not yet completed. The status ends

when another status becomes appropriate.

partially plugged

The wellbore has been plugged from the bottom,

but only partially to the point where it intersects another wellbore.

permitted

The facility has received regulatory approvel,

but drilling has not yet commenced. For a well, it has been spudded.

For a subsequent wellbore, the whipstock or similar device has not

yet been set.

plugged and abandoned

An abandoned well (or wellbore) whose wellbores

have been plugged in such a manner as to prevent the migration of

oil, gas, salt water, or other substance from one stratum to another.

Generally the criteria for this status is controlled by regulatory

authorities.

proposed

The status of a well or wellbore from conception

to either regulatory approval or commencement of drilling.

sold

The facility has been sold, so it is no longer

appropriate to keep a close internal status value. Status values

may be added at later times without changing the sold status.

suspended

Production or injection has been temporarily

suspended in a manner that will allow immediate resumption of

activities.

temporarily abandoned

Production or injection has been temporarily

suspended in a manner that will not allow immediate resumption

of activities.

testing

The facility operations are suspended while

tests are being conducted to determine formation and/or reservoir

properties. For example, a drillstem test. This status also

includes extended testing.

tight

Information about the status of the well is

confidential. This is more explicit than unknown, since it gives

the reason that the status value is unknown.

working over

Maintenance or data acquisition on a well during

the production phase. This includes any relevant job which can be

done while the well is shut in. This includes many jobs that occur

when a well is re-entered.

unknown

The value is not known. This value should not be used

in normal situations. All reasonable attempts should be made to determine

the appropriate value. Use of this value may result in rejection in some situations.

From: WellStatus.

To: TypeEnum

Generalization

From: Wellbore.

To: WellStatus

Dependency

From: Well.

To: WellStatus

Dependency