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Monitoring of drilling operations with flow and density measurement

A technology of fluid density and flow, applied in measurement, drilling equipment, automatic control system of drilling, etc., can solve problems such as outdated information and loss of control drilling value.

Inactive Publication Date: 2013-05-15
SHELL INT RES MAATSCHAPPIJ BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the gaps between updates, information from downhole tools can become stale and lose its value in controlling drilling

Method used

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  • Monitoring of drilling operations with flow and density measurement
  • Monitoring of drilling operations with flow and density measurement
  • Monitoring of drilling operations with flow and density measurement

Examples

Experimental program
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Effect test

example

[0160] Example #1 - Beginning a Loop

[0161] Read and evaluate suction flow meters and flow line flow meters for balancing. (Maybe slightly lighter since the exiting fluid will be warmer due to a slight discrepancy in fluid temperature.)

[0162] Fluid in / out: 2m 3 / min×1040kg / m 3 =2080kg / min

[0163] The online fluid viscometer can take readings at 600, 300, 200, 100, 6 and 3 rpm. Acquisition time may be 1 second at each rpm speed. 6 seconds to measure all six readings.

[0164] Temperature corrections can be made according to a "look-up" table.

[0165] Example #2 - Begin Drilling

[0166] The quality of rock produced may be based on the rate of penetration (ROP) and borehole size.

[0167] The calculated mass of rock produced can be plotted in real time.

[0168] There may be a slight discrepancy depending on the fluid temperature, perhaps slightly lighter as the exiting fluid will be warmer. )

[0169] Wellbore size 311mm×ROP100m / hr=7.59m 3 Excavated cuttings / ho...

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Abstract

A system includes one or more sensors configured to sense at least one characteristic of fluid entering a well, one or more sensors configured to sense at least one characteristic of fluid exiting a well; and one or more control systems that receive data from at least one of the sensors.

Description

technical field [0001] In general, the present invention relates to methods and systems for drilling in various subterranean formations, such as hydrocarbon-bearing formations. Background technique [0002] Hydrocarbons obtained from subsurface rock formations are often used as energy sources, feedstocks and consumer products. Concerns over the depletion of available hydrocarbon resources and concerns about the overall decline in the quality of produced hydrocarbons have led to the development of processes for more efficient recovery, treatment and / or use of available hydrocarbon resources. [0003] During drilling operations, the drilling crew is typically assigned a variety of monitoring and control functions. For example, drillers can control or monitor the position of drilling equipment such as rotary table drives or carriage drives, take samples of drilling fluid, and monitor shakers. As another example, drillers adjust the drilling system ("wiggling" the drill string...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B44/00
CPCG06T11/206E21B47/10E21B21/08E21B44/00E21B37/00
Inventor D·A·埃德伯里J·V·古雷罗D·C·麦克唐纳德J·B·诺曼J·B·罗格斯D·R·斯特昂
Owner SHELL INT RES MAATSCHAPPIJ BV
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