APPENDIX 4 
DRILLING CONTRACTOR CODES (continued) APPENDIX 5 - LAHEE CLASSIFICATION 
784 Weaver, D., et al 
785 Weaver Bros. 
787 Weaver Oil & Gas 
788 Duncan Salt Company 
790 Webster, L. 
795 Welson, J. 
797 Whitman Oil & Gas 
800 Whiting, B. F. 
801 Wilcox, Wilcox, and Wilcox 
802 Willis, Walter 
804 Williams, Clyde 
805 Wightman, John 
807 Woodcock & Son 
810 Wood Drlg. 
815 Woode Bros. 
APPENDIX 6 - GEOLOGISTS 
Individual Geologists 
001 Borland, G. N. 
002 Broughton, J. G. 
003 Buchanan, B. 
004 Cranston, H. H. 
005 Donnerstag, Phillip 
006 Dawley, R. 
007 Fettke, C. R. 
008 Flagler, C. W. 
009 Hartnagel, C. 
010 Kreidler, W. L. 
Oil Kuhn, T 
012 McAuslan, E. R. 
013 McDonald, Rosemary 
014 Rickard, L. V. 
015 Steward 
016 Tesmer, I. H. 
017 Van Tyne, A. M. 
018 Wagner, Walter 
019 Wiggins, J. W. 
020 Johns, W. 
021 Fralich 
022 Warthin, A. S. 
023 Davies, N. C. 
024 Young, W. H. (Tex) 
025 Heck, E. T. 
Company Geologists 
500 Ashland Oil & Refining Co. 
501 Bradley Producing Corp. 
502 Cabot Corp. 
503 Devonian Gas & Oil Company 
504 Felmont Oil Company 
505 Gulf Oil Corp. 
506 Humble Oil & Refining Co. 
507 Iroquois Gas Corp. 
508 Kewanee Oil Company 
509 Manufacturers Light & Heat Co. 
510 Minard Run Oil Company 
511 North Penn Gas Company 
512 N.Y.S. Natural Gas Corp. 
513 Pan American Oil Company 
514 Pennsylvania Gas Company 
515 Pennzoil Company 
516 Peoples Natural Gas Company 
517 Quaker State Oil Refining 
518 Shell Oil Company 
519 Sun Oil Company 
520 Texaco 
521 Texas Eastern Transmission Corp. 
522 Union of California 
523 Weaver Oil and Gas Corp. 
524 Republic Light, Heat, & Power 
Lahee Initial Class 
DEV Development test, less than 1000 
feet from producing well 
EXT Extension test, 1000 to 2600 feet 
from producing well 
SPT Shallower pool test, drilled 
within the proven area, ex¬ 
ploratory 
DPT Deeper pool test, drilled within 
the proven area, exploratory 
NPW New pool wildcat, 2600 feet or 
more from producing well 
NFW New field wildcat, 2 miles or 
more from producing well 
STR Stratigraphic test 
COR Core hole or core test 
INJ Injection well 
WCT Wildcat, historical well only 
FLD Field or development well 
SLT Salt well 
Final Class Successful 
DEV Development well 
EXT Extension well 
NPD New pool discovery 
SPD Shallow pool discovery 
SPE Shallow pool extension 
DPD Deeper pool discovery 
DPE Deeper pool extension 
Final Class Unsuccessful 
DRY Dry well 
OTH Other 
UNK Unknown 
SLT Salt well 
Final Status 
10IL Oil producer, single completion 
1GAS Gas producer, single completion 
XQIL Multiple oil producer 
GAS Multiple gas producer 
&G 6il and gas producer 
SIGW Shut-in gas well 
SIOW Shut-in oil well 
STRSP Water supply well 
SERVCE Service well 
DSPL Disposal well 
INJ-W Water injection well 
INJ-G Gas injection well 
SWD Salt water disposal well 
COND Condensate well 
STORG Gas storage 
STLPG Liquid propane gas storage 
BRINE Brine well 
CORE Core test 
OBSR Observation well 
STRA Stratigraphic or structure 
test well 
D&A Dry and abandoned 
P&A Plugged and abandoned 
OPEN Open hole 
TMP A Temporarily abandoned 
JNK AB Lost or junked hole, abandoned 
UNK Unknown 
SLT Salt well 
DOMES Domestic use 
316 
