Drilling apparatus with dynamic cuttings removal and cleaning
AssigneeBaker Hughes Incorporated
InventorsGordon A. Tibbitts, Craig H. Cooley
Life of this patent
Estimating the term…
Abstract
A drilling apparatus having cuttings removal structure to reduce balling thereof comprising an apparatus body having a connection thereon, and structure for contacting cut potions of the earth formation. The contacting structure may include chip breakers, flexible cables, rotating nozzle assemblies, rotating turbine wheel assemblies, rotating vane assemblies, flails or combinations of these. The apparatus may include elastomeric portions and/or movable potions. The drilling apparatus may comprise a drill bit, drilling stabilizer, drill collar, reamer, downhole motor, etc.
Claims57
A drill bit used in a drill string for drilling a borehole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drill bit comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- apparatus secured to a portion of said surface area of said apparatus body, said apparatus movable in said flow of drilling fluid over said surface area to break said chips and debris and to prevent the accretion of said chips and debris or portions of said drilling fluids in said surface area.
A drilling apparatus used in a drill string for drilling a borehole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drilling apparatus comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having an exterior surface area contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- apparatus secured to a portion of said exterior surface area of said apparatus body, said apparatus movable in said flow of drilling fluid over said exterior surface area to break said chips and debris and to prevent the accretion of said chips and debris or portions of said drilling fluids in said exterior surface area.
A drilling apparatus used in a drill string for drilling a bore hole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drilling apparatus comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- a moveable arm secured to a portion of said apparatus body having a portion extending into said surface area, said moveable arm having a chip breaker member on at least one end thereof.
A drilling apparatus used in a drill string for drilling a borehole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drilling apparatus comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- a closed member secured to a portion of said apparatus body having a portion moveable in said surface area.
A drilling apparatus used in a drill string for drilling a borehole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drilling apparatus comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- a flexible member secured to said apparatus body having a portion thereof extending into said surface area.
A drilling apparatus used in a drill string for drilling a bore hole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drilling apparatus comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area formed by at least two opposed surfaces contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- a movable nozzle assembly to direct a portion of said flow of drilling fluid into a portion of said surface area formed by at least two opposed surfaces, said flow of drilling fluid from said movable nozzle contacting said chips and debris to break said chips and debris and to prevent accretion of said chips and debris or portions of said drilling fluid in said surface area formed by said at least two opposed surfaces.
A drilling apparatus used in a drill string for drilling a bore hole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drilling apparatus comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area formed by at least two opposed surfaces contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- a rotating nozzle assembly to direct a portion of said flow of drilling fluid into a portion of said area between said at least two opposed surfaces.
A drilling apparatus used in a drill string for drilling a bore hole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drilling apparatus comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area formed by at least two opposed surfaces contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- a rotating vane assembly to direct a portion of said flow of drilling fluid into a portion of said area between said at least two opposed surfaces, said rotating vane being driven by the force of said drilling fluid.
A stabilizer used in a drill string for drilling a borehole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said stabilizer comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- apparatus secured to a portion of said surface area of said apparatus body, said apparatus movable in said flow of drilling fluid over said surface area to break said chips and debris and to prevent the accretion of said chips and debris or portions of said drilling fluid in said surface area.
A drill collar used in a drill string for drilling a borehole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drill collar comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- apparatus secured to a portion of said surface area of said apparatus body, said apparatus movable in said flow of drilling fluid over said surface area to break said chips and debris and to prevent the accretion of said chips and debris or portions of said drilling fluid in said surface area.
A drilling motor used in a drill string for drilling a borehole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drilling motor comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- and
- apparatus secured to a portion of said surface area of said apparatus body, said apparatus movable in said flow of drilling fluid over said surface area to break said chips and debris and to prevent the accretion of said chips and debris or portions of said drilling fluid in said surface area.
A drilling apparatus used in a drill string for drilling a borehole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drilling apparatus comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface area contacted by said chips and debris transported by said flow of drilling fluid in said borehole;
- apparatus secured to a portion of said surface area of said apparatus body, said apparatus movable in said flow of drilling fluid over said surface area to break said chips and debris and to prevent the accretion of said chips and debris or portions of said drilling fluid in said surface area;
- and
- a rotational member rotationally supported by a portion of said drilling apparatus having a portion thereof in fluid communication with the interior passage for said flow of said drilling fluid therethrough of said drilling apparatus, the rotational member being rotated in said drilling apparatus by said flow of said drilling fluid therethrough.
A drilling apparatus used in a drill string for drilling a borehole in an earth formation, said drilling causing said earth formation to be broken or cut into chips and debris which are transported by the flow of drilling fluid in said borehole, said drilling apparatus comprising:
- an apparatus body having at least one connection structure thereon adapted to connect said body in said drill string and an interior passage for said flow of said drilling fluid therethrough, said apparatus body having a surface portion contacted by said chips and debris, said apparatus body selected from the apparatus group consisting of a drill bit, drill motor, drill collar or drill string stabilizer;
- and
- flexible, movable apparatus secured to a portion of said surface portion of said apparatus body, said apparatus movable in said flow of drilling fluid over said surface portion to break said chips and debris and to prevent the accretion of said chips and debris or portions of said drilling fluids on said surface portion.
Dependencies are inferred from the claim text.