Pozos De Monitoreo

pozos d emonitoreoTable of Contents Chapter 26 Well Construction Standards

Section 1. General ......................................................................................................................... 2 Section 2. Definitions ................................................................................................................... 2 Section 3.Application................................................................................................................... 3 Section 4. Well Construction Not Specifically Covered By This Part; Deviation. ...................... 4 Section 5. Well Location/Siting. ................................................................................................... 4 Section 6. Sealing the Annular Space........................................................................................... 4 Section 7. Surface Construction Features. .................................................................................... 6 Section 8. Casing. ......................................................................................................................... 6 Section 9. Sealing/Cementing Off Strata...................................................................................... 9 Section 10. Well Development ...................................................................................................... 9 Section 11. Plugging and Abandonment...................................................................................... 10

a

Chapter 26 WELL CONSTRUCTION STANDARDS Section 1. GeneralInformation. This part contains minimum standards for design and construction and for the abandonment of wells covered by this part. The applicant or permittee shall provide for design and construction to protect groundwaters of the state in accordance with the water quality standards contained in Chapter VIII, Water Quality Rules and Regulations. All American Society for Testing of Materials(ASTM), American Water Works Association (AWWA) and American Petroleum Institute (API) specifications listed are intended to mean the latest revision. Section 2. Definitions Specific to Chapter 26. (a) “Abandoned well” means a well regulated under this part for which use has been discontinued for more than one year and the owner does not desire to maintain this well for future use; or its use hasbeen permanently discontinued or is in such a state of disrepair that it cannot be used for its intended purpose. (b) “Annular space” means the space between the well casing and the wall of the drilled hole or between two well casings. (c) “Artificial recharge well” means well constructed to introduce water into the ground as a means of replenishing groundwater basins. (d) “Commercial, municipal andindustrial waste well” means well constructed to dispose of unusable waste or contaminated water resulting from a commercial activity, municipal collection, storage or treatment facility or an industrial activity. (e) “Conductor casing” means a tubular retaining structure installed in the upper portion of a well between the wall of the drilled hole and the inner well casing. (f) “Confiningformation” means an impermeable bed or a bed of distinctly lower permeability than the adjacent material in which groundwater may be moving. (g) “Destroyed well” means a well that has been properly filled so that it cannot produce water nor act as a vertical conduit for the movement of groundwater. (h) “Geothermal well” means a well constructed to extract or return water to the ground after it has beenused for heating or cooling purposes. (i) “Key seating” means a stuck drill pipe or casing caused by an abrupt change in direction or dogleg in the drilled hole.
26 - 2

(j) “Miscellaneous discharge well” means a well constructed for a special process discharge of limited time and scope. (k) “Observation and monitor well” means a well constructed for the purpose of observing or monitoring...