公开(公告)号：US20230053857A1

公开(公告)日：2023-02-23

申请号：US17821172

申请日：2022-08-21

Applicant: Schlumberger Technology Corporation

Inventor： Valerian Guillot ,  Ho Bun Lau ,  John Morrison Whyte ,  Florian Karpfinger

IPC: E21B41/00 ,  E21B49/00 ,  E21B21/00

Abstract: A downhole wellbore planner builds a fracture model of a wellbore using fracture data identified from geological information. Using the fracture model and a target wellbore location at the formation, the wellbore planner may identify or select one or more lost circulation materials (LCMs). The drilling operator may then procure the LCMs before drilling the wellbore. In this manner, the impact of a lost circulation event may be reduced by having the LCMs on site or nearby.

公开(公告)号：US20250131284A1

公开(公告)日：2025-04-24

申请号：US18916824

申请日：2024-10-16

Applicant: Schlumberger Technology Corporation

Inventor： Valerian Guillot ,  Arvind Sharma ,  Mohamed Khalil Nafi ,  Jing Wu ,  Alexey Ruzhnikov

IPC: G06N3/096 ,  G06N3/0455 ,  G06N3/0475

Abstract: A method may include receiving a description of an event occurring at a wellsite; extracting a failure mode from the description using a fine-tuned large language model (LLM); identifying a matching failure mode from historical data processed using the fine-tuned LLM, where the matching failure mode is associated with one or more remedial actions that successfully resolved the matching failure mode; and outputting the one or more remedial actions for implementation at the wellsite.

公开(公告)号：US20240077642A1

公开(公告)日：2024-03-07

申请号：US18261396

申请日：2021-01-14

Applicant: Schlumberger Technology Corporation

Inventor： Yannick Fuchey ,  Valerian Guillot

IPC: G01V99/00 ,  G06F16/248 ,  G06F16/28 ,  G06F16/29

CPC classification number: G01V99/005 ,  G06F16/248 ,  G06F16/287 ,  G06F16/29

Abstract: A method can include, responsive to receipt of a search instruction that includes one or more search criteria, accessing a data structure for subsurface geologic regions categorized at least in part according to parameters that describe depositional environments, where the data structure includes one or more includes virtual distances between the parameters; generating a search result using the one or more search criteria and the data structure, where the search result represents an organization of at least a portion of subsurface geologic regions as closest analogues to the one or more search criteria; and transmitting search result information for graphically rendering the search result to a display as part of an interactive graphical user interface.

公开(公告)号：US11834931B2

公开(公告)日：2023-12-05

申请号：US17821172

申请日：2022-08-21

Applicant: Schlumberger Technology Corporation

Inventor： Valerian Guillot ,  Ho Bun Lau ,  John Morrison Whyte ,  Florian Karpfinger

IPC: E21B21/00 ,  E21B41/00 ,  E21B49/00

CPC classification number: E21B41/00 ,  E21B21/003 ,  E21B49/00 ,  E21B2200/20 ,  E21B2200/22

Abstract: A downhole wellbore planner builds a fracture model of a wellbore using fracture data identified from geological information. Using the fracture model and a target wellbore location at the formation, the wellbore planner may identify or select one or more lost circulation materials (LCMs). The drilling operator may then procure the LCMs before drilling the wellbore. In this manner, the impact of a lost circulation event may be reduced by having the LCMs on site or nearby.

公开(公告)号：US11269110B2

公开(公告)日：2022-03-08

申请号：US16211119

申请日：2018-12-05

Applicant: Schlumberger Technology Corporation

Inventor： Sergey Doronichev ,  Velizar Vesselinov ,  Valerian Guillot ,  Xiaotong Suo

IPC: G01V5/04 ,  G01V5/12 ,  G01V99/00 ,  G01V11/00 ,  E21B47/00 ,  E21B41/00

Abstract: Computing system assessment of geological similarity of wells employing well-log data includes receiving logs with chronostratigraphic markers, and extracting signatures from the logs using the chronostratigraphic markers. A distance matrix is generated from the signatures using dynamic time warping. Using the distance matrix, a set of clusters are generated. The set of clusters are presented with an image.

公开(公告)号：US12104484B2

公开(公告)日：2024-10-01

申请号：US18516294

申请日：2023-11-21

Applicant: Schlumberger Technology Corporation

Inventor： Emilien Dupont ,  Sergey Doronichev ,  Velizar Vesselinov ,  Valerian Guillot ,  Carlos Boneti ,  Jose Celaya Galvan

IPC: G01V1/50 ,  E21B41/00 ,  E21B47/04

CPC classification number: E21B47/04 ,  E21B41/00 ,  G01V1/50 ,  G01V2200/16 ,  G01V2210/6169

Abstract: A system can include a processor; memory operatively coupled to the processor; and processor-executable instructions stored in the memory to instruct the system to: receive a marker on a well log for a well in a geographic region; and iteratively propagate the marker automatically to a plurality of well logs for other wells in the geographic region.

公开(公告)号：US12086515B2

公开(公告)日：2024-09-10

申请号：US17999291

申请日：2021-05-20

Applicant: Schlumberger Technology Corporation

Inventor： Valerian Guillot ,  Florian Karpfinger ,  Ali Ozbek ,  Riadh Boualleg ,  Ling Li

IPC: E21B7/04 ,  E21B41/00 ,  E21B44/00 ,  E21B49/00 ,  G06F30/13 ,  G06F30/27

CPC classification number: G06F30/27 ,  E21B7/04 ,  E21B41/00 ,  E21B44/00 ,  E21B49/00 ,  G06F30/13 ,  E21B2200/20 ,  E21B2200/22

Abstract: A method to design well trajectories includes determining dogleg severity as a function of inclination, and a corresponding rate of penetration performance of the tool by a hybrid model including physical modelling and machine learning correction. The method includes solving for optimal steering parameters to predict a dogleg severity as close as possible to a desired dogleg severity at a given inclination of the trajectory, which is repeated for dogleg severity and inclination combinations of interest. The rate of penetration for feasible points is also determined and a rate of penetration (or time-to-target) map can be produced. Potential trajectories are then evaluated relative to the map to estimate drilling time-to-target, and an optimal trajectory can be selected that has a lowest time-to-target while also being feasible for the tool and optionally avoiding risks or downhole obstacles.

公开(公告)号：US20220364424A1

公开(公告)日：2022-11-17

申请号：US17662272

申请日：2022-05-06

Applicant: Schlumberger Technology Corporation

Inventor： Priscilla Canizares ,  Valerian Guillot ,  Ashley Bernard Johnson

IPC: E21B21/00

Abstract: Lost circulation events are mitigated by determining a size and extent of a formation feature causing the loss of circulation. The formation feature may be determined based on surface drilling parameters, and can apply one or more of a mechanical specific energy, hydraulic, or aperture model. Using such model(s), the size of a fracture/void/aperture can be estimated and a treatment plan for a lost circulation vent can be determined. For instance, a mechanical specific energy of zero can indicate the presence of a void, the pressure at the standpipe can an extent of a formation feature, or the size of the formation feature can be estimated using drilling fluid flow rate, volume, pressure, or rheology. Determining a treatment plan can include selecting or designing a lost circulation material, a volume of lost circulation material, or alternative drilling methods.

公开(公告)号：US20200183044A1

公开(公告)日：2020-06-11

申请号：US16211119

申请日：2018-12-05

Applicant: Schlumberger Technology Corporation

Inventor： Sergey Doronichev ,  Velizar Vesselinov ,  Valerian Guillot ,  Xiaotong Suo

IPC: G01V5/04 ,  G01V5/12

Abstract: Computing system assessment of geological similarity of wells employing well-log data includes receiving logs with chronostratigraphic markers, and extracting signatures from the logs using the chronostratigraphic markers. A distance matrix is generated from the signatures using dynamic time warping. Using the distance matrix, a set of clusters are generated. The set of clusters are presented with an image.

公开(公告)号：US20250137334A1

公开(公告)日：2025-05-01

申请号：US18773840

申请日：2024-07-16

Applicant: Schlumberger Technology Corporation

Inventor： Valerian Guillot ,  Alexey Ruzhnikov ,  Mauricio Corona ,  Khalid Abdelsamed M. Talha

IPC: E21B21/00 ,  E21B21/08 ,  E21B44/00

Abstract: A drilling fluid management system may measure drilling parameters for a downhole drilling system, the drilling parameters including standpipe pressure. A drilling fluid management system may determine, based on the drilling parameters, a mechanical specific energy (MSE). A drilling fluid management system may apply a changepoint model to the MSE and the standpipe pressure to identify a plurality of MSE segments and a plurality of pressure segments. A drilling fluid management system may identify an expected MSE and an expected pressure. A drilling fluid management system may identify an MSE segment having the segment MSE that differs from the expected MSE by an MSE threshold, and a pressure segment having the segment pressure that differs from the expected pressure by a pressure threshold. A drilling fluid management system may identify a lost-circulation period based on an overlap of the MSE segment and the pressure segment.