Texas operator · P-5 784642

Sinclair Development, LLC

Name: Oil and gas reported by leases operated by Sinclair Development, LLC, Texas, monthly
Creator: Railroad Commission of Texas

The Railroad Commission lists Sinclair Development, LLC as operator number 784642, P-5 active, in Kilgore, TX. Its leases reported 692 barrels of oil and 16,555 mcf of gas in the last twelve months.

The state record Got a letter from them?

Facts and their sources. No rating, no opinion.

The record

What the state's files show about Sinclair Development, LLC

Railroad Commission record

Who the state lists

The Railroad Commission lists this company as an operator: it reports wells and leases in Texas.

Name on file: SINCLAIR DEVELOPMENT, LLC
Operator number (P-5): 784642
P-5 status: Active
Organization type: Limited liability company (code not in the RRC's 2014 layout; inferred from the names)
Location: Kilgore, TX
Mailing city: Kilgore, TX
Activities filed: Gas Operator
Last P-5 received: July 28, 2026
Record built: September 10, 2009
Refiling required: Yes

Source: Railroad Commission of Texas, P-5 Organization Report data set, as of September 22, 2026.

Owner relations

How to reach Sinclair Development, LLC as an owner

Not checked yet

We have not checked Sinclair Development, LLC’s owner-relations desk yet. Here is how owners usually find it:

Look at a recent check stub or statement. The phone number and address printed on it usually reach the owner relations department.
Search the company’s own website for “owner relations” or “royalty owners”. Larger operators have a page and an online owner portal.
The Railroad Commission file above has the company’s mailing address. A letter sent there reaches the company, though not always the right desk.
Put your owner number and the property name or number on every letter and call.

Comptroller and Secretary of State

The business entity on file

Legal name: SINCLAIR DEVELOPMENT, LLC
Taxpayer number: 32040284658
Entity type: Texas limited liability company
Secretary of State file number: 0801166435
Secretary of State status: Active (September 4, 2009)
Right to transact business in Texas: Active
Formed: September 4, 2009
Formed in: TX
Mailing city: Kilgore, TX

Source: Texas Comptroller, franchise tax permit holder file (data.texas.gov), as of September 26, 2026.

Look it up yourself: Secretary of State business filings (search for file number 0801166435), Comptroller account status.

Production

What the state's reports show

Oil, last 12 months: 692 barrels; Up 25.1% from the 12 months before
Gas, last 12 months: 16,555 mcf; Up 13.1% from the 12 months before

Oil reported each month, in barrels

Jun 20260
May 202670
Apr 202697
Mar 2026183
Feb 2026118
Jan 20265
Dec 2025104
Nov 20250
Oct 20250
Sep 2025107
Aug 20258
Jul 20250

Source: Railroad Commission of Texas, production data query, as of June 1, 2026.

Drilling permits

Permits filed with the state

0 drilling permits in the last three years. A permit is permission to drill. It is not a well.

Source: Railroad Commission of Texas, drilling permit records.

Leases

Leases this company operates

7 leases on the state record, 7 with production in the last twelve months. The largest by production:

Operator changes

Leases this company took over or handed over

0 taken over and 2 handed over since the state's history begins; 0 and 0 in the last twelve months. The month is the first month the change shows in production reports.

Handed over Louis-Werner Sawmill Company, Panola CountyMay 2023 · to Elms Oil Company
Handed over Crawford, Harrison CountyJul 2022 · to Rfe Operating, LLC

Use it

Follow this company, or check a paper it sent you

New permits and production

One email a week when Sinclair Development, LLC files a drilling permit, completes a well or reports first production. Free with an account.

Leases, counties and fields for Sinclair Development, LLC

A paper from this company

A division order, a lease, a buyout offer or a letter: upload it and we say what it is, what it asks and which terms deserve a question.

Read a letter Check a buyout offer Check a lease offer

FAQ

Questions people ask

Who is Sinclair Development, LLC?

The Railroad Commission lists Sinclair Development, LLC as operator number 784642, P-5 active, in Kilgore, TX. Its leases reported 692 barrels of oil and 16,555 mcf of gas in the last twelve months.

Is Sinclair Development, LLC a registered business in Texas?

The Comptroller's franchise tax file lists a business entity that matches the company: SINCLAIR DEVELOPMENT, LLC, a texas limited liability company, Secretary of State status Active, right to transact business in Texas: Active. Confirm it in the Secretary of State's business search.

How much oil and gas did Sinclair Development, LLC report?

In the last twelve months the leases Sinclair Development, LLC operates reported 692 barrels of oil and 16,555 mcf of gas to the Railroad Commission, through June 1, 2026. It has 7 leases on the state record, 7 with production in that time.

I got a letter or an offer from Sinclair Development, LLC: what should I do?

Do not sign or call yet. Keep every page and the envelope, compare the paper with your deed, lease and last statements, and answer in writing. You can upload the letter to have it read: it says what kind of paper it is, what it asks, and which terms deserve a question, quoting the words they come from.

Upload the letter

Where does this page's information come from, and how current is it?

The record is the Railroad Commission's P-5 Organization Report file, dated September 22, 2026. The entity is the Comptroller's franchise tax file. Production, permits and leases are the Commission's own reports. The page shows no rating and no opinion.

Primary sources, opened on 29 September 2026. Statute text is the current version on statutes.capitol.texas.gov.