CN-121993034-A - Drilling tool drilling track control method, device, equipment, medium and program product

CN121993034ACN 121993034 ACN121993034 ACN 121993034ACN-121993034-A

Abstract

The application provides a drilling track control method, a device, equipment, a medium and a program product of a drilling tool. The method comprises the steps of obtaining upper gamma measurement data and lower gamma measurement data of the current position of a drilling tool, wherein the upper gamma measurement data and the lower gamma measurement data are collected based on an upper detector and a lower detector in a gamma sensor arranged on the drilling tool, determining the drilling direction of the drilling tool in a target reservoir based on the upper gamma measurement data and the lower gamma measurement data, obtaining the distance between multiple points on the drilling tool and a target reservoir interface, and controlling the drilling track of the drilling tool in the target reservoir based on the drilling direction of the drilling tool in the target reservoir and the distance between multiple points on the drilling tool and the target reservoir interface. The method of the application realizes the accurate control of the drilling track of the drilling tool and ensures the stability and safety of the drilling process.

Inventors

FENG XIN
PENG LIEXIN
TENG XINMIAO
Ding Huahua
WANG YANSONG
XIONG XIN
YAN SEN

Assignees

中国石油天然气集团有限公司
中国石油集团工程技术研究院有限公司

Dates

Publication Date: 20260508
Application Date: 20241108

Claims (10)

1. A method of drilling path control for a drilling tool, comprising: acquiring upper gamma measurement data and lower gamma measurement data of the current position of a drilling tool, wherein the upper gamma measurement data and the lower gamma measurement data are acquired based on an upper detector and a lower detector in a gamma sensor deployed on the drilling tool; determining a drilling direction of the drilling tool in a target reservoir based on the upper gamma measurement data and the lower gamma measurement data; Obtaining the distance between the multipoint on the drilling tool and the target reservoir interface; And controlling the drilling track of the drilling tool in the target reservoir based on the drilling direction of the drilling tool in the target reservoir and the distance between multiple points on the drilling tool and the interface of the target reservoir.
2. The method of claim 1, wherein determining a direction of drilling of the drilling tool in a target reservoir based on the upper gamma measurement data and the lower gamma measurement data comprises: And if the absolute value of the deviation between the upper gamma measurement data and the lower gamma measurement data is larger than a preset threshold value, determining the drilling direction of the drilling tool in the target reservoir based on the comparison result of the upper gamma measurement data and the lower gamma measurement data, the change rate of the upper gamma measurement data and the change rate of the lower gamma measurement data.
3. The method of claim 2, wherein determining the drilling direction of the drilling tool at the target reservoir based on the deviation of the upper gamma measurement data from the lower gamma measurement data, the rate of change of the upper gamma measurement data, and the rate of change of the lower gamma measurement data comprises: If the upper gamma measurement data is larger than the lower gamma measurement data, the upper gamma measurement data is increased earlier than the lower gamma measurement data, and the change rate of the upper gamma measurement data is larger than the change rate of the lower gamma measurement data, determining that the drilling direction of the drilling tool in the target reservoir is a first direction, and the first direction penetrates out of the target reservoir from the upper boundary of the target reservoir; if the upper gamma measurement data is larger than the lower gamma measurement data, the upper gamma measurement data is reduced earlier than the lower gamma measurement data, and the change rate of the lower gamma measurement data is larger than the change rate of the upper gamma measurement data, determining that the drilling direction of the drilling tool in the target reservoir is a second direction, wherein the second direction indicates that the drilling tool penetrates into the target reservoir from the upper boundary of the target reservoir; If the upper gamma measurement data is smaller than the lower gamma measurement data, the lower gamma measurement data is increased earlier than the upper gamma measurement data, and the change rate of the lower gamma measurement data is larger than that of the upper gamma measurement data, determining that the drilling direction of the drilling tool in the target reservoir is a third direction, wherein the third direction indicates that the drilling tool penetrates out of the target reservoir from the lower boundary of the target reservoir; And if the upper gamma measurement data is smaller than the lower gamma measurement data, the upper gamma measurement data is reduced earlier than the lower gamma measurement data, and the change rate of the upper gamma measurement data is larger than the change rate of the lower gamma measurement data, determining that the drilling direction of the drilling tool in the target reservoir is a fourth direction, wherein the fourth direction indicates that the drilling tool penetrates out of the target reservoir from the upper boundary of the target reservoir.
4. A method according to any of claims 1-3, wherein obtaining the distance of the multi-point on the drilling tool from the target reservoir interface comprises: determining a distance of a drill bit of the drilling tool from the target reservoir interface based on a first ranging sensor; The distances of the upper and lower detectors from the target reservoir interface are determined based on the upper and lower gamma measurement data, or based on a second ranging sensor.
5. The method of claim 4, wherein controlling the drilling trajectory of the drilling tool within the target reservoir based on the drilling direction of the drilling tool within the target reservoir and the distance of the multiple points on the drilling tool from the target reservoir interface comprises: Determining a target calculation model from a preset calculation model based on the drilling direction of the drilling tool in the target reservoir; substituting the distances between the multiple points on the drilling tool and the target reservoir interface into the target calculation model to obtain the inclination angle and the thickness of the target reservoir; And controlling the drilling track of the drilling tool in the target reservoir based on the inclination angle and the thickness of the target reservoir, the drilling direction and the distance between the drill bit of the drilling tool and the interface of the target reservoir.
6. The method of claim 5, wherein controlling the drilling trajectory of the drilling tool within the target reservoir based on the inclination angle and thickness of the target reservoir, the drilling direction, and the distance of the drill bit of the drilling tool from the target reservoir interface, comprises: determining a remaining distance of the drilling tool from the target reservoir interface based on the inclination angle and thickness of the target reservoir, the drilling direction, and the distance of the drill bit of the drilling tool from the target reservoir interface; Predicting a target time when the remaining distance reaches a threshold value based on the drilling speed of the drilling tool and the remaining distance; And at the target time, adjusting the tool face angle of the drilling tool to change the drilling track of the drilling tool.
7. A drilling path control device for a drilling tool, comprising: The gamma measurement data acquisition module is used for acquiring upper gamma measurement data and lower gamma measurement data of the current position of the drilling tool, wherein the upper gamma measurement data and the lower gamma measurement data are acquired based on an upper detector and a lower detector in a gamma sensor arranged on the drilling tool; The drilling direction determining module is used for determining the drilling direction of the drilling tool in a target reservoir based on the upper gamma measurement data and the lower gamma measurement data; the distance acquisition module is used for acquiring the distance between the multiple points on the drilling tool and the target reservoir interface; and the drilling track control module is used for controlling the drilling track of the drilling tool in the target reservoir based on the drilling direction of the drilling tool in the target reservoir and the distance between the multiple points on the drilling tool and the interface of the target reservoir.
8. An electronic device includes a processor, and a memory communicatively coupled to the processor; The memory stores computer-executable instructions; The processor executes computer-executable instructions stored in the memory to implement the method of any one of claims 1 to 6.
9. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out the method of any one of claims 1 to 6.
10. A computer program product comprising a computer program which, when executed by a processor, implements the method of any of claims 1 to 6.

Description

Drilling tool drilling track control method, device, equipment, medium and program product Technical Field The application relates to the technical field of energy exploitation, in particular to a drilling track control method, a device, equipment, a medium and a program product of a drilling tool. Background In the exploitation process of complex stratum and thin reservoir, the drilling position is often required to be accurately controlled, and the reservoir attribute and the reservoir boundary are required to be determined to guide the drilling track of the drilling tool due to the complex underground stratum distribution so as to improve the drilling rate of the reservoir. At present, the existing analysis model based on the gamma measurement technology of the azimuth while drilling has high complexity on the boundary of a reservoir and the track of a drilling tool, can not accurately position the drilling tool at a target reservoir, is difficult to send control instructions to the drilling tool in real time, finally causes the control deviation of the drilling track of the drilling tool, and has the risk that the drilling tool passes through the target reservoir. Therefore, it is desirable to provide a drilling tool drilling path control method to solve the problem that the drilling tool is inaccurately positioned during downhole operation, and finally leads to the reservoir penetrating. Disclosure of Invention The application provides a drilling track control method, a device, equipment, a medium and a program product of a drilling tool, by determining the drilling direction and the distance between a plurality of points on the drilling tool and a target reservoir interface, the position of the drilling tool in the target reservoir is mastered, the drilling track of the drilling tool is accurately controlled, and the drilling tool is prevented from penetrating out of the target reservoir. In a first aspect, the present application provides a drilling track control method of a drilling tool, including: acquiring upper gamma measurement data and lower gamma measurement data of the current position of the drilling tool, wherein the upper gamma measurement data and the lower gamma measurement data are acquired based on an upper detector and a lower detector in a gamma sensor arranged on the drilling tool; Determining a drilling direction of the drilling tool in the target reservoir based on the upper gamma measurement data and the lower gamma measurement data; Obtaining the distance between multiple points on the drilling tool and the target reservoir interface; and controlling the drilling track of the drilling tool in the target reservoir based on the drilling direction of the drilling tool in the target reservoir and the distance between the multiple points on the drilling tool and the interface of the target reservoir. In one possible embodiment, determining the drilling direction of the drilling tool at the target reservoir based on the upper gamma measurement data and the lower gamma measurement data comprises: If the absolute value of the deviation of the upper gamma measurement data and the lower gamma measurement data is larger than a preset threshold value, determining the drilling direction of the drilling tool in the target reservoir based on the comparison result of the upper gamma measurement data and the lower gamma measurement data, the change rate of the upper gamma measurement data and the change rate of the lower gamma measurement data. In one possible embodiment, determining the drilling direction of the drilling tool at the target reservoir based on the deviation of the upper gamma measurement data from the lower gamma measurement data, the rate of change of the upper gamma measurement data, and the rate of change of the lower gamma measurement data, comprises: If the upper gamma measurement data is larger than the lower gamma measurement data, the upper gamma measurement data is increased earlier than the lower gamma measurement data, and the change rate of the upper gamma measurement data is larger than the change rate of the lower gamma measurement data, determining that the drilling direction of the drilling tool in the target reservoir is a first direction, and the first direction penetrates out of the target reservoir from the upper boundary of the target reservoir; If the upper gamma measurement data is larger than the lower gamma measurement data, the upper gamma measurement data is firstly reduced compared with the lower gamma measurement data, and the change rate of the lower gamma measurement data is larger than that of the upper gamma measurement data, determining that the drilling direction of the drilling tool in the target reservoir is a second direction, wherein the second direction indicates that the drilling tool penetrates into the target reservoir from the upper boundary of the target reservoir; If the upper gamma measurement data is smaller than the lower gamma me