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:0-1 1–2017 3:21 PM FROM ('I-ARK 'WELL, INC- 2094625597 P- 2 <br /> OV/01/1YY5 01:42 916-961-1 WATER WELL TECH PAGE 01 <br /> Blast Perforating & Casing Ripping <br /> for <br /> Well Abandonment <br /> Explosive charges with projectiles penetrate and blast holes through the casing, then high velocity <br /> detonating cord rips seams,joints and enlarges the holes created by the projectiles. These charges are <br /> placed in the well, then the well is filled with cement. The cement above the charge works as stemming that <br /> stops upward movement and directs the energy out to the casing walls and into the formation.The advantage <br /> of using this system is; as soon as the casing is perforated and ripped the explosive energy and the weight.of <br /> the cement fortes the cement into voids, cavities and gravel that surrounds the well. <br /> M-sterisla Usit <br /> Inftiating device �bnvi <br /> 9 bees. <br /> Ground 19Yet a non electrical firing mechanism used to Wliate the shock tube <br /> Well head Shock Tube: <br /> s noiseless Trunkling coated on the inside wth MMX mixed with aluminum sends <br /> '. .; Stamrran8 energy to fire the detonator <br /> :� ��: QQ1QrtatOr; <br /> , — Shock tube non electric blasting cap/uses 12 grains PETN a$a base charge <br /> Non electrical <br /> A4— <br /> detonator <br /> Pound flexible non electric cord r uses a cors foaa of so to too grams of PET1�! <br /> per toot and has de"ation velocity of approximately 22,000 fps <br /> sd�_ Detonating card <br /> . M"ticized rubbery tubes of 8 gins PSTN wfth a detonation velocity of <br /> 600stbr approximately 24,000 fps <br /> Projectiles Round bullets 3J9'to 12- balls made out of AM 52100 chrome alloy steel <br /> Slami- petonaung cord Cement mix from neat(27 sack per yard)to 9 sack per yard <br /> - S�tlty [aftlfl<!a <br /> Booster <br /> Non .Ig`� <br /> & Power lines,Radio frequency and other extraneous electnre cdy asafe to work <br /> Projectiles around. <br /> 3 •`r <br /> No Air MM or F1149201) ri <br /> i' The weight of the cement makes a excellent stemming and ksapv debris <br /> conitrwd in the well. <br /> Detonating cord Low blgAa Lt-/YmL <br /> - The viscosity of the cement dampens,keeping the none from reaching the <br /> surface. <br /> LowVi <br /> The small amount of explosive char9e3 used kept vibrations confined to me <br /> area immed ely surround the well. <br /> 1,Jcenae No.C57-731133 <br /> Water Well Technology, Inc. <br /> P.O. Box 510 f=air oak*, CA 86023 <br /> (800) 981-WELL (413)061-8965 Fax (013) 961-1773 <br />