Method and apparatus and program storage device adapted for visualization of qualitative and quantitative risk assessment based on technical wellbore design and earth properties
First Claim
1. A method of determining and displaying risk information in response to a plurality of input data, said input data including a plurality of input data calculation results, comprising the steps of:
- comparing each calculation result of said plurality of input data calculation results of said input data with each logical expression of a plurality of logical expressions;
ranking by said logical expression said calculation result; and
generating a plurality of ranked individual risks in response to the ranking step, each of said plurality of ranked individual risks representing an input data calculation result that has been ranked by said logical expression as having either a high risk severity or a medium risk severity or a low risk severity;
generating said risk information in response to said plurality of ranked individual risks; and
displaying said risk information, the displaying step including displaying said risk information on a risk information display, said risk information display including a display of said plurality of ranked individual risks as a function of depth in a wellbore.
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Accused Products
Abstract
A method is disclosed for determining and displaying risk information in response to a plurality of input data, the input data including a plurality of input data calculation results, comprising the steps of: comparing each calculation result of the plurality of input data calculation results of the input data with each logical expression of a plurality of logical expressions; ranking by the logical expression the calculation result; and generating a plurality of ranked individual risks in response to the ranking step, each of the plurality of ranked individual risks representing an input data calculation result that has been ranked by the logical expression as having either a high risk severity or a medium risk severity or a low risk severity; generating the risk information in response to the plurality of ranked individual risks; and displaying the risk information, the displaying step including displaying the risk information on a risk information display.
144 Citations
43 Claims
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1. A method of determining and displaying risk information in response to a plurality of input data, said input data including a plurality of input data calculation results, comprising the steps of:
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comparing each calculation result of said plurality of input data calculation results of said input data with each logical expression of a plurality of logical expressions;
ranking by said logical expression said calculation result; and
generating a plurality of ranked individual risks in response to the ranking step, each of said plurality of ranked individual risks representing an input data calculation result that has been ranked by said logical expression as having either a high risk severity or a medium risk severity or a low risk severity;
generating said risk information in response to said plurality of ranked individual risks; and
displaying said risk information, the displaying step including displaying said risk information on a risk information display, said risk information display including a display of said plurality of ranked individual risks as a function of depth in a wellbore. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of determining and displaying risk information in response to a plurality of input data, said input data including a plurality of input data calculation results, comprising the steps of:
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comparing each calculation result of said plurality of input data calculation results of said input data with each logical expression of a plurality of logical expressions;
ranking, by said logical expression, each said calculation result; and
generating a plurality of ranked individual risks in response to the ranking step, each of said plurality of ranked individual risks representing an input data calculation result that has been ranked by said logical expression as having either a high risk severity or a medium risk severity or a low risk severity;
generating a plurality of design tasks in response to said ranked individual risks; and
displaying said risk information in response to said plurality of design tasks, the displaying step including displaying a risk information display, said risk information display including a display of each of said design tasks. - View Dependent Claims (17, 18)
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19. A method of determining and displaying risk information in response to a plurality of input data, said input data including a plurality of input data calculation results, comprising the steps of:
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comparing each calculation result of said plurality of input data calculation results of said input data with each logical expression of a plurality of logical expressions;
ranking, by said logical expression, each said input data calculation result; and
generating a plurality of ranked individual risks in response to the ranking step, each of said plurality of ranked individual risks representing an input data calculation result that has been ranked by said logical expression as having either a high risk severity or a medium risk severity or a low risk severity;
generating said risk information in response to said plurality of ranked individual risks; and
displaying said risk information, the displaying step including displaying a risk information display, said risk information display including a display of said plurality of said ranked individual risks extending along a length of a wellbore. - View Dependent Claims (20, 21, 22)
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23. A program storage device readable by a machine tangibly embodying a program of instructions executable by the machine to perform method steps for determining and displaying risk information in response to a plurality of input data, said input data including a plurality of input data calculation results, said method steps comprising:
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comparing each calculation result of said plurality of input data calculation results of said input data with each logical expression of a plurality of logical expressions;
ranking by said logical expression said calculation result; and
generating a plurality of ranked individual risks in response to the ranking step, each of said plurality of ranked individual risks representing an input data calculation result that has been ranked by said logical expression as having either a high risk severity or a medium risk severity or a low risk severity;
generating said risk information in response to said plurality of ranked individual risks; and
displaying said risk information, the displaying step including displaying said risk information on a risk information display, said risk information display including a display of said plurality of ranked individual risks as a function of depth in a wellbore. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
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37. The program storage device of claim 23, wherein said individual risk values are selected from a group consisting of:
- H2S and CO2, Hydrates, Well water depth, Tortuosity, Dogleg severity, Directional Drilling Index, Inclination, Horizontal displacement, Casing Wear, High pore pressure, Low pore pressure, Hard rock, Soft Rock, High temperature, Water-depth to rig rating, Well depth to rig rating, mud weight to kick, mud weight to losses, mud weight to fracture, mud weight window, Wellbore stability window, wellbore stability, Hole section length, Casing design factor, Hole to casing clearance, casing to casing clearance, casing to bit clearance, casing linear weight, Casing maximum overpull, Low top of cement, Cement to kick, cement to losses, cement to fracture, Bit excess work, Bit work, Bit footage, bit hours, Bit revolutions, Bit Rate of Penetration, Drillstring maximum overputt, Bit compressive strength, Kick tolerance, Critical flow rate, Maximum flow rate, Small nozzle area, Standpipe pressure, ECD to fracture, ECD to losses, Gains, Gains Average, Losses, Losses average, Stuck, Stuck average, Mechanical, Mechanical average, Risk Average, Subsea BOP, Large Hole, Small Hole, Number of casing strings, Drillstring parting, and Cuttings.
- View Dependent Claims (38, 39)
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37-1. A program storage device readable by a machine tangibly embodying a program of instructions executable by the machine to perform method steps for determining and displaying risk information in response to a plurality of input data, said input data including a plurality of input data calculation results, said method steps comprising:
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comparing each calculation result of said plurality of input data calculation results of said input data with each logical expression of a plurality of logical expressions;
ranking, by said logical expression, each said calculation result; and
generating a plurality of ranked individual risks in response to the ranking step, each of said plurality of ranked individual risks representing an input data calculation result that has been ranked by said logical expression as having either a high risk severity or a medium risk severity or a low risk severity;
generating a plurality of design tasks in response to said ranked individual risks; and
displaying said risk information in response to said plurality of design tasks, the displaying step including displaying a risk information display, said risk information display including a display of each of said design tasks.
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40. A program storage device readable by a machine tangibly embodying a program of instructions executable by the machine to perform method steps for determining and displaying risk information in response to a plurality of input data, said input data including a plurality of input data calculation results, said method steps comprising:
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comparing each calculation result of said plurality of input data calculation results of said input data with each logical expression of a plurality of logical expressions;
ranking, by said logical expression, each said input data calculation result; and
generating a plurality of ranked individual risks in response to the ranking step, each of said plurality of ranked individual risks representing an input data calculation result that has been ranked by said logical expression as having either a high risk severity or a medium risk severity or a low risk severity;
generating said risk information in response to said plurality of ranked individual risks; and
displaying said risk information, the displaying step including displaying a risk information display, said risk information display including a display of said plurality of said ranked individual risks extending along a length of a wellbore. - View Dependent Claims (41, 42, 43)
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Specification