Tannic acid:

Terms Related to Tannic acid

• Quebracho

  A south american tree that is a source of tannin extract, which was extensively used as a thinning agent for drilling mud, but is seldom ...

• Formic acid

  An organic acid, h2co2 or hcooh, used for acidizing oilwells. It is stronger than acetic acid but much less corrosive than hydrofluoric or hydrochloric acid ...

• Inhibited acid

  An acid that has been chemically treated before the acidizing or acid fracturing of a well to lessen its corrosive effect on the tubular goods ...

• Hydrochloric acid

  An acid compound, hci, commonly used to acidize carbonate rocks. It is prepared by mixing hydrogen chloride gas in water. Also known as muriatic acid.

• Sulfamic acid

  A crystalline acid derived from sulfuric acid that is sometimes used in acidizing.

• Acid fracture

  To fracture stimulate a formation by injecting the acid over the parting pressure of the rock and using the acid to etch channels in the ...

• Hydrofluoric-hydrochloric acid

  Mixture of acids used for removal of mud from the wellbore. See mud acid.