Simple PC program calculates modified S-type well trajectory
A simple personal computer (PC) program written in Basic can quickly calculate the trajectory of a modified S-type deviated well. The program calculated the build-up angle, the measured depth, the true vertical depth of each interval, the total measured depth of the well, the end of build, and the d...
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| Published in: | The Oil & gas journal Vol. 93; no. 8; pp. 54 - 58 |
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| Main Author: | |
| Format: | Magazine Article |
| Language: | English |
| Published: |
Tulsa, OK
Pennwell
20.02.1995
Endeavor Business Media |
| Subjects: | |
| ISSN: | 0030-1388, 1944-9151 |
| Online Access: | Get full text |
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| Abstract | A simple personal computer (PC) program written in Basic can quickly calculate the trajectory of a modified S-type deviated well. The program calculated the build-up angle, the measured depth, the true vertical depth of each interval, the total measured depth of the well, the end of build, and the drop-off point. The program can be run on any IBM-compatible computer with MS-DOS version 5 or higher and QBasic or any other Basic program that does not require the line numbers. There are several types of directional well trajectories that can be drilled to hit a target: 1. a simple type well path or build-and-hold trajectory, 2. a continuous build trajectory, 3. an S-type trajectory, or 4. a modified S-type trajectory. A simple program was published that quickly calculated the angle and measured depth of a simple directional well bore trajectory. Details concerning the program are discussed. |
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| AbstractList | A simple personal computer (PC) program written in Basic can quickly calculate the trajectory of a modified S-type deviated well. The program calculates the build-up angle, the measured depth, the true vertical depth of each interval, the total measured depth of the well, the end of build, and the drop-off point. The input data are the final hold true vertical depth, the final hold horizontal displacement, the build-up rate, the drop-off rate, and the final hold angle. The paper describes the equations, lists the code, and gives an example of program output. A simple personal computer (PC) program written in Basic can quickly calculate the trajectory of a modified S-type deviated well. The program calculated the build-up angle, the measured depth, the true vertical depth of each interval, the total measured depth of the well, the end of build, and the drop-off point. The program can be run on any IBM-compatible computer with MS-DOS version 5 or higher and QBasic or any other Basic program that does not require the line numbers. There are several types of directional well trajectories that can be drilled to hit a target: 1. a simple type well path or build-and-hold trajectory, 2. a continuous build trajectory, 3. an S-type trajectory, or 4. a modified S-type trajectory. A simple program was published that quickly calculated the angle and measured depth of a simple directional well bore trajectory. Details concerning the program are discussed. |
| Author | HASHEM, A. A |
| Author_xml | – sequence: 1 givenname: A. A surname: HASHEM fullname: HASHEM, A. A organization: King Sand University, Riyadh, Saudi Arabia |
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| Copyright | Copyright PennWell Publishing Company Feb 20, 1995 |
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| Snippet | A simple personal computer (PC) program written in Basic can quickly calculate the trajectory of a modified S-type deviated well. The program calculated the... A simple personal computer (PC) program written in Basic can quickly calculate the trajectory of a modified S-type deviated well. The program calculates the... |
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| SubjectTerms | 02 PETROLEUM 990200 -- Mathematics & Computers Applied sciences BASIC CALCULATION METHODS COMPUTER PROGRAM DOCUMENTATION Computer programming COMPUTER-AIDED DESIGN Crude oil, natural gas and petroleum products DESIGN DIRECTIONAL DRILLING DRILLING Drilling methods and equipments. Rocks mechanics. Directional and horizontal drilling Drilling. Casing. Preparing wells for production Energy Engineering Exact sciences and technology Fuels GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE Geometry OIL WELLS Petroleum engineering Prospecting and production of crude oil, natural gas, oil shales and tar sands Software packages WELLS 020300 -- Petroleum-- Drilling & Production |
| Title | Simple PC program calculates modified S-type well trajectory |
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