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Typical Abandonment Diagram for 2nd Park/Cyprus Block <br />0 Feet <br />Concrete <br />10 Feet SHALLOW HOLES: (Drilled within <br /> stripping Limit) Holes must be backfilled <br /> with as many cuttings as possible and surface <br /> Drill Cuttings plug set. <br /> DEEP HOLES: (Drilled beyond stripping <br />10 Feet above _ Limit) All water aquifers and mineable coal <br />Static Water Level beds must be cemented off and surface plugs <br /> 3/8" Bentonite Chips set. <br />Static Water Level ALL HOLES: <br /> -_ - I. Stripping Limit is determined by the <br /> - Bentonite Gel District Manager. <br /> ~ `'`~:'~~` <br />• 2. The surface plug must be set to ground <br /> <br />'- ,.;., <br />. <br />~~' - > ~' <br />•; <br />:c <br />i <br />: <br />surface, except in plowed fields, where the <br /> o <br />'^ : <br />. <br />; <br />. <br />: <br />•-:'+::~~ <br />: <br />-;_ <br />plug must be set below plow depth. <br /> ,' <br />~^ ~~ ~ ~. ~. ~ ~ ~ ~ 3. Holes must be backfilled with as many <br /> c, <br />~~~:: : ~~.~. ~;~ ~ Aquifer cuttings as possible. <br /> . <br /> 4. Excess cuttings must be leveled and <br /> ~.`. ~;~r: dispersed evenly over [he surface <br /> o '~: surrounding [he hole, or cuttings may be <br /> ~' ~~' hauled away to an approved disposal site. <br /> - - <br />- <br />Bentonite Gel Note: This diagram is not to scale and actual <br /> _ location of the coal and aquifer may vary <br /> - greatly. <br /> Coal Bed <br /> - Bentonite Gel <br />Total Depth - <br />NOTE: General diagram for abandonment method of exploration drill holes. As noted, location <br />of the aquifer and coal may varygreatly as well (Taked from previous exploration applications. <br />