SHAEFFER, STANLEY B. ET AL

op#768420 // since 1977-11-07// P-5: active

705 PETROLEUM BLDG., MIDLAND

spud_rate

31%

5 of 16 (6mo+)

median_spud_days

62

p25-p75: 4-140d

cancel_rate

6%

1 cancelled

expired_undrilled

10

avg_permits/yr

1

spud_momentum: inactive active_years: 13 horizontal: 0% top_county: SHACKELFORD
window: | type:

permits (90d)

0

vs_prior

0%

counties (90d)

0

avg_depth (90d)

--

hz_pct (90d)

0%

all_time

16

basins (90d): Eagle Ford / Maverick
depth_range (90d): 450 - 990 ft

-- permit_history (all operated wells — latest 15)

view all >>
SOURCEPERMITAPITYPELEASECOUNTYISSUEDFROM/TO
divested37792542-417-37424DRILLENGLISH, W. L.SHACKELFORD1990-09-19to: SHAEFFER STANLEY B. ETAL
divested34844942-417-37185DRILLENGLISH, MARGIESHACKELFORD1988-07-06to: SHAEFFER STANLEY B. ET AL
divested33383942-417-37075DRILLENGLISH, MARGIESHACKELFORD1987-08-04to: SANDSTONE SERVICES LLC
divested32582442-417-37007DRILLENGLISH, MARGIESHACKELFORD1987-01-28to: SANDSTONE SERVICES LLC
divested32582342-417-37005DRILLENGLISH, MARGIESHACKELFORD1987-01-28to: SANDSTONE SERVICES LLC
divested25871942-417-36054DRILLENGLISH, W. L. "A"SHACKELFORD1984-11-26to: RAY - A OPERATING INC.
divested25843342-417-36051DRILLENGLISH, MARGIESHACKELFORD1984-11-19to: SANDSTONE SERVICES LLC
divested22359642-417-35612DRILLENGLISH, MARGIESHACKELFORD1983-12-14to: SANDSTONE SERVICES LLC
divested13523542-417-34153DRILLENGLISH, MARGIESHACKELFORD1981-10-01to: SANDSTONE SERVICES LLC
divested11894942-417-33956DRILLENGLISH, W.L. "A"SHACKELFORD1981-05-12to: RAY - A OPERATING INC.
divested9505742-417-33543DRILLENGLISH, MARGIESHACKELFORD1980-10-08to: SANDSTONE SERVICES LLC
divested7446942-417-33250DRILLENGLISH, W. L. "A"SHACKELFORD1980-03-07to: RAY - A OPERATING INC.
divested1142342-417-32421DRILLENGLISH, W. L. "A"SHACKELFORD1977-11-07to: RAY - A OPERATING INC.

-- permit_activity

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EOF // multi-state drilling data platform // 2026