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How to find abandoned wells: a manual.
Johnston-KH; Carroll-HB Jr.; Heemstra-RJ; Armstrong-FE
NTIS: PB 226 789, 1973; :1-51
This guide was written to furnish the coal industry with a description of techniques, instruments, and clues on how to find abandoned oil and gas wells that have penetrated coal seams. The report includes specific information on searching techniques currently in use by several coal mining companies, gas-transmission companies, and waterflood operators, as well as information on state agencies responsible for the enforcement of laws and the preservation and distribution of data pertaining to the drilling, development, and abandonment of oil and gas wells. Comparative tests were performed with several commercial electronic metal detectors to determine the feasibility of using them to aid in the search for abandoned wells and to determine the instrument most suited for that particular use. The role of methane detectors to locate abandoned wells is described, including a case history. Tests were made to develop an efficient procedure to follow in systematically searching an area for metallic clues or hydrocarbon evidence to abandoned wells. The guide describes, in detail, a search sequence, including the collection of basic data, preparation of the selected area, and the physical search. Methods are given for evaluating the results.
Coal industry; Abandoned sites; Oil industry; Gas industry; Coal seams; Hydrocarbons; Metallic compounds; Metals; Environmental factors
IH; Information Circular
NTIS Accession No.
NTIS: PB 226 789
Page last reviewed: September 13, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division