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US 12,760,601 B2Granted
Downhole motor and related systems and methods for controlling formation contact points
AssigneeSupreme Source Energy Services, Inc.
InventorDanny T. Williams
Life of this patent
Estimating the term…
Abstract
A downhole motor apparatus for use with a drillstring in drilling a wellbore. The downhole motor includes a power section operatively coupled with a bearing section. A drill bit is operatively connected with the bearing section. The power section has a power section housing, and the bearing section has a bearing section housing connected with the power section housing. The bearing section housing is a unitary piece having a first bend at a first bend angle. In operation the downhole motor provides three known or controlled contact points in the wellbore.
Claims14
A downhole motor for use with a drillstring in drilling a wellbore, the downhole motor comprising:
- a power section configured to operatively connect with the drillstring, the power section comprising:
- a power section housing;
- and a rotor-stator member for creating a rotational force, the rotor-stator member disposed in the power section housing;
- a bit box;
- a bearing section operatively connected with the power section, the bearing section comprising:
- a bearing section housing coupled to the power section housing, the bearing section housing comprising:
- a first bend;
- a second bend;
- a bearing section housing surface between the first bend and the second bend lying in parallel to a reference axis;
- a lower bent section surface between the first bend a first end of the downhole motor;
- an upper bent section surface between the second bend and a second end of the downhole motor;
- a first bend angle with reference to the lower bent section surface and the reference axis;
- and
- a second bend angle with reference to the upper bent section surface and the reference axis;
- a joint disposed at least partially within the bearing section housing;
- wherein the first bend angle is at a first absolute value range of at least 0.1 degrees to no more than 4 degrees,
- wherein the second bend angle is at a second absolute value range of at least 0.1 degrees to no more than 2 degrees,
- wherein the second contact point occurs at or proximate to the location of the first bend, and
- wherein the third contact point occurs at or proximate to the location of the second bend.
16 more elements
A downhole drilling system for use in drilling a wellbore, the system comprising:
- a drillstring for rotating a drill bit;
- a downhole motor operatively coupled between the drillstring and the drill bit, the downhole motor comprising:
- a power section configured to operatively connect with the drillstring, the power section comprising:
- a power section housing;
- and a rotor-stator member for creating a rotational force transferrable to the drill bit, the rotor-stator member disposed in the power section housing;
- a bearing section operatively connected with the power section, the bearing section comprising:
- a bearing section housing coupled to the power section housing, the bearing section housing comprising:
- a first bend;
- a second bend;
- a bearing section housing surface between the first bend and the second bend lying in parallel to a reference axis;
- a lower bent section surface between the first bend a first end of the downhole motor;
- an upper bent section surface between the second bend and a second end of the downhole motor;
- a first bend angle with reference to the lower bent section surface and the reference axis;
- and
- a second bend angle with reference to the upper bent section surface and the reference axis;
- a lower coupling unit disposed at least partially axially proximate to the first bend;
- a drive shaft operatively coupled between the rotor-stator member and the lower coupling unit;
- a power mandrel operatively coupled with the lower coupling unit;
- and
- an intermediate section housing connected between the power section housing and the bearing section housing,
- wherein the first bend angle is at a first absolute value range of at least 0.1 degrees to no more than 4 degrees,
- wherein the second bend angle is at a second absolute value range of at least 0.1 degrees to no more than 2 degrees, and
- wherein the drillbit provides a first contact point with the wellbore, and the bearing section housing provides a second contact point with the wellbore, and at least one other surface of the downhole motor provides a third contact point with the wellbore.
20 more elements
A downhole drilling system for use in drilling a wellbore, the system comprising:
- a drillstring for rotating a drill bit;
- a downhole motor operatively coupled between the drillstring and the drill bit, the downhole motor comprising:
- a power section configured to operatively connect with the drillstring, the power section comprising:
- a power section housing;
- and a rotor-stator member for creating a rotational force transferrable to the drill bit, the rotor-stator member disposed in the power section housing;
- a bearing section operatively connected with the power section, the bearing section comprising:
- a bearing section housing coupled to the power section housing, the bearing section housing comprising:
- a first bend;
- a second bend;
- a bearing section housing surface between the first bend and the second bend, the bearing section housing surface lying in parallel to a reference axis;
- a lower bent section surface between the first bend and a first end of the downhole motor;
- an upper bent section surface between the second bend and a second end of the downhole motor;
- a first bend angle with reference to the lower bent section surface and the reference axis;
- and
- a second bend angle with reference to the upper bent section surface and the reference axis;
- a lower coupling unit disposed at least partially axially proximate to the first bend;
- a drive shaft operatively coupled between the rotor-stator member and the lower coupling unit;
- a power mandrel operatively coupled with the lower coupling unit;
- and
- an intermediate section housing is connected between the power section housing and the bearing section housing,
- wherein the second bend is associated with either of:
- a stabilizer blade or a surface of the bearing section housing, and
- wherein the drillbit provides a first contact point with the wellbore, and the bearing section housing provides a second contact point with the wellbore, and at least one other surface of the downhole motor provides a third contact point with the wellbore,
- wherein the first bend angle is at a first absolute value range of at least 0.1 degrees to no more than 4 degrees, and
- wherein the second bend angle is at a second absolute value range of at least 0.1 degrees to no more than 2 degrees.
22 more elements
Dependencies are inferred from the claim text.