TREATING OF OIL, GAS, WATER, INJECTION AND STORAGE WELLS WITH NONDAMAGING WORKOVER AND COMPLETION FLUIDS HAVING WATER SOLUBLE BRIDGING AGENTS FOR BRIDGING AND TEMPORARILY PLUGGING PRODUCTIVE FORMATIONS AND THEREAFTER REMOVING SUCH FLUIDS

WORKOVER AND COMPLETION FLUIDS FOR OIL, GAS AND WATER WELLS

Chemical compositions used in oil and gas well workover and completion operations