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Method and device for measuring borehole depth by water level

A drilling depth and water level measurement technology, which is used in surveying, earthwork drilling, water resource assessment, etc., can solve problems such as drill pipe stuck, inaccurate drilling depth measurement data, and drilling rig stuck, so as to solve the problem of human error. , reduce real-time supervision, and improve the effect of real-time performance

Active Publication Date: 2022-05-20
深圳市城安物联科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When the drilling rig is in operation, it needs to measure the depth of its drilling. The existing measurement method is to determine the number of drill pipes drilled by detecting the reciprocating times of the drilling rig, and then determine the drilling depth. Rod, that is, the drilling rig reciprocates normally but the drill pipe is stuck. At this time, continuing to count will affect the actual drilling depth statistics, and prevent fraudulent behavior caused by inadequate on-site supervision, such as over-reporting or falsely reporting the number of meters. Reciprocating and idling occurs, resulting in inaccurate measurement data of the actual drilling depth

Method used

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  • Method and device for measuring borehole depth by water level

Examples

Experimental program
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Effect test

Embodiment 1

[0037] A method for measuring the depth of a borehole with a water level, the method comprising the steps of:

[0038] (1) First measurement: measure the height of the rock and soil sampling device, and define the height as h1;

[0039] (2) Secondary measurement: Use the mud pump to transport the mud in the mud pool to the hole through the drill pipe, and measure the height from the mud surface in the hole to the ground, and define the height as h3;

[0040] (3) Instrument installation: install the water level gauge and acquisition device on the drill pipe;

[0041] (4) Data acquisition: After the installation is completed, the drilling operation starts. During the drilling process, when the pressure value detected by the water level gauge reaches the preset value, the water level gauge starts to collect data, and the acquisition device first stores the data locally , and then put out the drill pipe;

[0042] (5) Data transmission: When the acquisition device at the bottom o...

Embodiment 2

[0047] A method for measuring the depth of a borehole with a water level, the method comprising the steps of:

[0048] (1) First measurement: measure the height of the rock and soil sampling device, and define the height as h1;

[0049] (2) Secondary measurement: Use the mud pump to transport the mud in the mud pool to the hole through the drill pipe, and measure the height from the mud surface in the hole to the ground, and define the height as h3;

[0050] (3) Instrument installation: install the water level gauge and the collection device on the drill pipe. The drill pipe is assembled from multiple sub-rods, and the length of each sub-rod is the same. They are installed at the bottom of the bottom drill pipe, and the acquisition device is an integrated acquisition instrument, which has storage, power supply and communication functions;

[0051] (4) Data acquisition: After the installation is completed, the drilling operation starts. During the drilling process, when the pr...

Embodiment 3

[0057] A method for measuring the depth of a borehole with a water level, the method comprising the steps of:

[0058] (1) First measurement: measure the height of the rock and soil sampling device, and define the height as h1;

[0059] (2) Secondary measurement: Use the mud pump to transport the mud in the mud pool to the hole through the drill pipe, and measure the height from the mud surface in the hole to the ground, and define the height as h3;

[0060] (3) Instrument installation: install the water level gauge and the collection device on the drill pipe. The drill pipe is assembled from multiple sub-rods, and the length of each sub-rod is the same. They are installed at the bottom of the bottom drill pipe, and the acquisition device is an integrated acquisition instrument, which has storage, power supply and communication functions;

[0061] (4) Data acquisition: After the installation is completed, the drilling operation starts. During the drilling process, when the pr...

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Abstract

The invention discloses a method and a device for measuring the depth of a borehole by water level. The method comprises the following steps: first measurement: measure the height of a rock and soil sampling device, and define the height as h1; second measurement: use a mud pump to pump the mud The mud in the pool is transported into the hole through the drill pipe, and the height from the mud surface in the hole to the ground is measured, and the height is defined as h3; instrument installation: the water level gauge and the collection device are installed on the drill pipe; the invention can help technicians Real-time grasp of on-site operation conditions and measurement results, real-time supervision and reduction of human measurement errors, not only solve the traditional measurement method of manually counting the number of drill pipes drilled, this method increases the workload of technicians, It increases work costs and affects labor efficiency, and also solves the problems of human error and inaccurate measurement results that are prone to occur due to worker fatigue, and can realize the informatization of measurement and improve the real-time performance of measurement.

Description

technical field [0001] The invention relates to the technical field of engineering monitoring, in particular to a method and a device for measuring the depth of a borehole by water level. Background technique [0002] When the drilling rig is in operation, it needs to measure the depth of its drilling. The existing measurement method is to determine the number of drill pipes drilled by detecting the reciprocating times of the drilling rig, and then determine the drilling depth. Rod, that is, the drilling rig reciprocates normally but the drill pipe is stuck. At this time, continuing to count will affect the actual drilling depth statistics, and prevent fraudulent behavior caused by inadequate on-site supervision, such as over-reporting or falsely reporting the number of meters. Reciprocating and idling occurs, resulting in inaccurate measurement data of the actual drilling depth. To this end, we propose a measurement method that can help technicians grasp the on-site operat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E21B47/04E21B47/00E21B47/26
CPCE21B47/04E21B47/00Y02A90/30
Inventor 刘思波蒋鹏卢庆庆刘勇刁伟东
Owner 深圳市城安物联科技有限公司
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