Schlumberger Technology Corporation

Rustam Isangulov

Ginger Hildebrand

Chunling Gu Coffman

Wayne Kotovsky

Matthew A Summers

Maria Fox

Derek Long

Benjamin Peter Jeffryes

Qiuhua Liu

Oney Erge

John Christian Luppens

Guillaume Jean Daniel Tamboise

Daniel Abad

A method can include, in a runtime environment of compiled multi-domain code for multiple different domains that describe physical operations performed using equipment, responsive to input, issuing a call to a planning domain definition language planner; responsive to the call, receiving a plan that includes at least one action; and dispatching at least one of the at least one action to call for performance of at least a portion of at least one of the physical operations.

Multi-domain planning controller for drilling operations

A method for wellbore construction management includes measuring at least one drilling operating parameter during drilling of a wellbore. At least one well state parameter is calculated from the measured drilling operating parameter. A difference between the calculated well state parameter and a predetermined value of the well state parameter is determined. When the difference exceeds a selected threshold a modified well plan is calculated comprising at least one drilling task to enable construction of at least part of the wellbore to conform to the modified well plan. The at least one drilling task is displayed to a user.

Well construction management and decision support system

A method includes accessing a domain model plan that includes a time independent initial state and a time independent goal state and sequences of events that include a sequence of a first event, a second event and a third event with conditional interrelationships; accessing operational data that include a failure condition for the third event and a time constraint for the failure condition; issuing a control instruction to rigsite equipment to perform a drilling-related action for generating the third event; during performance of the drilling-related action for generating the third event, receiving sensor data germane to the failure condition; upon occurrence of the failure condition, timing a duration of the occurrence of the failure condition; comparing the duration to the time constraint for the failure condition; and, based on the comparing, deciding to re-plan the domain model plan or to continue execution of the domain model plan.

Method of creating and executing a plan

A recursive structure of inference rules is disclosed that enables translation of sensed data into high level predicates, e.g. to authorize the starts and ends of actions and detect violation of invariants, hence enabling coordination at different levels and/or across different domains at the same level within a multi-domain architecture. In embodiments, a processor may receive a condition configured to authorize an action of a system having equipment; identify a rule as a potential supporter of the condition in response to determining that the rule is associated with the condition; infer an implicant of the rule to be true when prerequisites of an antecedent of the rule are determined to be true; activate the rule in response to determining that the antecedent is true, wherein a validity of the condition is based on activation of the rule; and instruct the equipment to perform the action based on the validity of the condition.

Systems and methods for executing a plan associated with multiple equipment by using rule-based inference

A method for wellbore directional drilling includes selecting a starting and stopping spatial position of at least one portion of the wellbore. A sequence of sliding and rotary drilling operations within the portion is determined to calculate a wellbore trajectory. The sequence has at least one drilling operating parameter. The operations include a constraint on the drilling operating parameter or the calculated trajectory. The calculated trajectory includes a projected steering response of a steerable motor in response to the at least one drilling operating parameter. Drilling the portion of the wellbore is started. A spatial position of the wellbore during drilling is determined at least one point intermediate the starting and stopping positions. Using a relationship between the projected steering response and the drilling operating parameter, the drilling parameter and/or the constraint are adjusted based on the measured spatial position and the stopping spatial position.

Method and system for directional drilling

Automated control of a drillstring in a borehole, which is not in continuous rotation, the drillstring comprising an angled component (a bent sub or the like) and a downhole means of rotating the bit, such as a motor or turbine, which rotates the bit independently of drillstring rotation. Near the distal end of the drillstring are measurement devices, at least one and in some aspects two or more, which are used to measure the orientation of the drillstring/bent sub/bottomhole assembly/drill bit with respect to a geophysical field of the earth, such as magnetism (magnetic toolface) or gravity (gravitational toolface). These measurement devices may be connected to a communications module which transmits the downhole toolface information to the surface. The drillstring is controlled to provide that based upon the downhole measurements the drilling system drills the borehole in a desired trajectory.

Automated sliding drilling

A method for wellbore directional drilling includes selecting a starting and stopping spatial position of at least one portion of the wellbore. A sequence of sliding and rotary drilling operations within the portion is determined to calculate a wellbore trajectory. The sequence has at least one drilling operating parameter. The operations include a constraint on the drilling operating parameter or the calculated trajectory. The calculated trajectory includes a projected steering response of a steerable motor in response to the at least one drilling operating parameter. Drilling the portion of the wellbore is started. A spatial position of the wellbore during drilling is determined at at least one point intermediate the starting and stopping positions. Using a relationship between the projected steering response and the drilling operating parameter, the drilling parameter and/or the constraint are adjusted based on the measured spatial position and the stopping spatial position.

A method for optimizing drilling includes initializing values of a plurality of drilling operating parameters and drilling response parameters. In a computer, an initial relationship between the plurality of drilling operating parameters and drilling response parameters is determined. A drilling unit to drill a wellbore through subsurface formations. The drilling operating parameters and drilling response parameters are measured during drilling and entered into the computer. A range of values and an optimum value for at least one of the drilling response parameters and at least one of the drilling response parameters is determined in the computer. A display of the at least one of the plurality of drilling operating parameters and the at least one of the drilling response parameters is generated by the computer.

Method for calculating and displaying optimized drilling operating parameters and for characterizing drilling performance with respect to performance benchmarks

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Katy, TX, United States of America

Rustam Isangulov