Methods and systems for drilling boreholes
AssigneeFlanders Electric, Ltd.
InventorsEdward Curtis Stacy, II, Antonio Garcia
Life of this patent
Estimating the term…
Abstract
A computer-readable medium including program instructions for collaring a borehole. When the program instructions are executed by one or more processors of a computer system operatively associated with a drill rig, the program instructions cause the one or more processors to carry out the steps of performing a first phase collaring operation from a surface start to a point at which a drill bit reaches a dynamically determined collaring depth or a maximum collaring depth, and performing a second phase collaring operation to form a hole collar. The second phase collaring operation includes the steps of retracting the drill bit until the drill bit is above the surface, and activating a water injection system during the retracting of the drill bit.
Claims7
A non-transitory computer-readable medium, the computer-readable medium including program instructions for collaring a borehole that, when executed by one or more processors of a computer system operatively associated with a drill rig, cause the one or more processors to carry out the steps of:
- performing a first phase collaring operation from a surface start to a point at which a drill bit reaches a dynamically determined collaring depth or a maximum collaring depth;
- and
- performing a second phase collaring operation to form a hole collar, the second phase collaring operation comprising:
- retracting the drill bit until the drill bit is above the surface;
- activating a water injection system during the retracting of the drill bit;
- and deactivating the water injection system when the drill bit is above the surface.
A non-transitory computer-readable medium, the computer-readable medium including program instructions for collaring a borehole that, when executed by one or more processors of a computer system operatively associated with a drill rig, cause the one or more processors to carry out the steps of:
- performing a first phase collaring operation from a surface start to a point at which a drill bit reaches a dynamically determined collaring depth or a maximum collaring depth;
- and
- performing a second phase collaring operation to form a hole collar, the second phase collaring operation comprising:
- retracting the drill bit until the drill bit is above the surface;
- activating a water injection system during the retracting of the drill bit;
- deactivating the water injection system when the drill bit is above the surface;
- activating an air injection system when the drill bit is above the surface;
- deactivating the air injection system before re-lowering the drill bit into the hole collar;
- and
- re-lowering the drill bit into the hole collar to the dynamically determined collaring depth or the maximum collaring depth, and confirming that competent ground is present at the bottom of the hole collar.
A non-transitory computer-readable medium, the computer-readable medium including program instructions for collaring a borehole that, when executed by one or more processors of a computer system operatively associated with a drill rig, cause the one or more processors to carry out the steps of:
- performing a first phase collaring operation from a surface start to a point at which a drill bit reaches a dynamically determined collaring depth or a maximum collaring depth;
- and
- performing a second phase collaring operation to form a hole collar, the second phase collaring operation comprising:
- retracting the drill bit until the drill bit is above the surface;
- activating a water injection system during the retracting of the drill bit;
- and
- activating an air injection system when the drill bit is above the surface.
Dependencies are inferred from the claim text.