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Check the condition of your well casing by listening for water running down into the well. If you do hear water, there could be a crack or hole in the casing. If you can move the casing by pushing against it, you may also have a problem with the integrity of the casing.
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A well consists of a bottom sump, well screen, and well casing (pipe) surrounded by a gravel pack and appropriate surface and borehole seals (Figure 1). Water enters the well through perforations or openings in the well screen.
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In 1926, Roscoe Moss began the manufacture of water well casing and screens. Emphasis on the development of these products has brought the company to the forefront of specialists in the marketing of these materials.
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One of the major advantages of shutter screen is that it has higher collapsing strength (up to 60%) than blank casing of the same wall thickness. This is due to the corrugating effect of the louver-shaped openings. ... Well screen is an important component of well design. It must be realized that it is not an answer to...
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this section covers types of well screens used to prevent sand and gravel from collapsing into the borehole! ... National Water Well Association and Plastics Pipe Institute (1981) Manual on the Selection and Installation of Thermoplastic Water Well Casing, Worthington, OH, 64pp.
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In this article series, screen refers to that structure in a well, which protects the borehole, but allows the entrance of water. In this sense, screen is a filter. The durability and efficiency of a well depend to a large degree on its design, construction procedures and selection of casing and well screen.
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1.2.4 Type ¥³, Water-Well Casing Pipe¦¡Seamless or electric-resistance-welded, Grades A and B, or furnace-butt welded. 1.3 The values stated in inch-pound units are to be regarded as the standard.
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; 3.3 Thermoplastic Water Well Casing ... The type and diameter of thermoplastic water well, casing to use for a particular job will include consideration of the following:
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; APPENDIX 11: THERMOPLASTIC WATER WELL CASING GENERAL ... 2. Manual on the Selection and Installation of Thermoplastic Water Well Casing 1981, produced by National Water Well Association and the Plastic Pipe Institute.
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The function of the adapter is to permit access to the pump and well piping through the top of the well casing, while routing water from the pump into the plumbing system.
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