FORMJEL
HYDROCARBON JELLING MATERIAL USED FOR TEMPORARILY SEALING OIL AND GAS PRODUCING FORMATIONS, OR PARTS THEREOF, IN ORDER THAT OTHER FORMATIONS OR THE PARTS NOT SEALED, MAY BE EXPOSED TO THE INJECTION OF CHEMICALS TO INCREASE THE PRODUCTIVITY THEREOF; AND FOR HYDRAULICALLY FRACTURING OIL AND GAS PRODUCING FORMATIONS TO INCREASE THE PRODUCTIVITY THEREOF
Expired · May 26, 1953 · 71620312 ·