CALVERT ENGINEERING CORP

op#126130 // since --// P-5: active

11915 KEMP HOLLOW LN, HOUSTON
CALVERT, MARTHA R.— PRESIDENT/SECRETARY/TREASURERCALVERT, JOHN R.— VICE PRESIDENT

spud_rate

33%

1 of 3 (6mo+)

median_spud_days

67

p25-p75: 67-67d

cancel_rate

0%

0 cancelled

expired_undrilled

2

avg_permits/yr

3

trajectory: inactive active_years: 1 horizontal: 0% top_county: LEE

permits (all)

0

first_permit

--

counties (all)

0

avg_depth (all)

--

hz_pct (all)

0%

last_active

1977-10-31

depth_range (all): -- - -- ft

-- permit_history (all operated wells)

SOURCEPERMITAPITYPELEASECOUNTYISSUEDFROM/TO
filed49028730192RECOMPHUMBLE EXPLOR. CO. UNITLEE1977-10-31
divested49028730192RECOMPHUMBLE EXPLOR. CO. UNITLEE1977-10-31to: MAGNOLIA OIL & GAS OPERATING LLC
filed859028730219DRILLSOUTHERN PACIFIC RR. CO. UNITLEE1977-09-15
filed227328730196DRILLHUMBLE EXPLOR. CO. UNIT 2LEE1977-07-05
divested227328730196DRILLHUMBLE EXPLOR. CO. UNIT 2LEE1977-07-05to: BROWNING OIL COMPANY INC.

-- permit_activity

[ no data ]
EOF // multi-state drilling data platform // 2026