I.V. MONTALVO 'A'
RRC identifier: 04 / 14274County: STARROperator: KILLAM OIL CO., LTD.Field: SUN, NORTH (F-3-G)Reporting level: Oil lease
Reported monthly production for this RRC district and lease identifier. Multiple county allocations or gas-well reporting entities may be grouped on this page. Cumulative since Apr 2026.
Most recent monthJul 2026Latest of 4 loaded months
Cumulative oil since Apr 2026957Apr 2026–Jul 2026 · 4 months
Cumulative condensate since Apr 20260Reported condensate, separate from oil
Cumulative total gas (gas well + casinghead) since Apr 20264,905Gas well 0 · Casinghead 4,905 · Apr 2026–Jul 2026 · 4 months
Peak oil (since Apr 2026)Apr 2026Highest of 4 loaded months · latest if tied
Peak total gas (gas well + casinghead) (since Apr 2026)Apr 20263,928 MCF · Highest of 4 loaded months · latest if tied
Latest entities1Leases or gas wells
Monthly production trend
4 loaded reporting months (Apr 2026–Jul 2026); oil and gas use separate relative scales.
Production history before Apr 2026 is not loaded yet.
Oil (relative BBL scale)Total gas (gas well + casinghead)
Production history
Newest reporting month first.
| Production month | Oil (BBL) | Condensate (BBL) | Total gas (gas well + casinghead) | Gas well (MCF) | Casinghead gas (MCF) | Reporting entities |
|---|---|---|---|---|---|---|
| Jul 2026 | 200 | 0 | 435 | 0 | 435 | 1 |
| Jun 2026 | 22 | 0 | 18 | 0 | 18 | 1 |
| May 2026 | 123 | 0 | 524 | 0 | 524 | 1 |
| Apr 2026 | 612 | 0 | 3,928 | 0 | 3,928 | 1 |
Source: Railroad Commission of Texas. Not endorsed by the Railroad Commission of Texas.