Table 2:  Categories used for RevMETHOD with a listing of common entries of METHOD used to assign each category.  The letter (A-F) following the category heading indicates relative reliance on that method of collection to indicate the composition of produced water.  A lower grade is considered the most likely to accurately represent the composition of water produced by the well.

BOMB (C):  bomb sampler; stainless steel bomb.

BAILER (D): bailed; bailer; bailer including trip sampler; bailer well flowing; cable tool bailer; spot sampler; 
wireline bailer.

BLEEDER (E):  bleeder (no location); bleeder valve; flow wing valve.

DST (C):  bottom CIP; drill stem test#; DST, Hookwall packer test; Johnston test (JFT); packer, test#, top middle or 
bottom of tool.

FORMATION TEST (C):  cable tool; FIT; formation test; Haliburton test; Schlumberger FIT; thief; wire line test

HEATER/TREATER (E):  battery treater; dump at heater; dump at treater; heater; heater-treater; line heater; oil 
treater; production treater; treater.

OPEN-HOLE (E):  annulus; bradenhead; bradenhead lines; bottom of hole; casing; casing lines; casing test; surface 
pipe; well bore.

PRODUCTION (B):   prod; prod bleeder; produced; production; produced with oil; production water.

PRODUCTION TEST (C):  flow test; production and development test; production test; water production test.

SEPARATOR (E):  accumulator; bleeder from separator; clear tank; dump at separator; free water knockout; 
FWKO; gun barrel; low temp extractor; scrubber; separator.

SWAB (D):  flow line swab; new well swab; swab during DST; swabbed from perforations; swab, swabbed etc.; 
swab test; wellhead during swab.

TANK (E):  battery; gathering tank; production tank, settling tank; stock tank, tank battery; tank farm

UNKNOWN (F):   no entry in METHOD field.

WELLHEAD (B):  bleeder at well head; choke valve; christmas tree; flow; flow line; lead line; platform; pump; 
trap; well; well head.