[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"blog-\u002Fblog\u002Fplss-oil-gas-well-siting-2026-apd-to-field":3},{"id":4,"title":5,"body":6,"cover":278,"date":279,"description":280,"draft":281,"extension":282,"meta":283,"navigation":194,"path":286,"seo":287,"stem":288,"tags":289,"__hash__":295},"blog\u002Fblog\u002Fplss-oil-gas-well-siting-2026-apd-to-field.md","PLSS for Oil & Gas Well Siting in 2026: From APD to Field",{"type":7,"value":8,"toc":269},"minimark",[9,13,16,21,24,27,36,39,43,46,49,57,60,83,91,95,98,101,104,112,132,135,139,142,150,163,176,180,183,255,258],[10,11,12],"p",{},"You have a drilling program with 15 wells planned across the Powder River Basin. Each Application for Permit to Drill needs a PLSS legal description that pinpoints the well pad to the correct 40-acre parcel — and coordinates that match it exactly. Get the quarter-quarter section wrong and the well pad is 1,320 feet from where the lease allows it. That is not a paperwork error. That is a trespass.",[10,14,15],{},"This guide walks through the PLSS verification workflow that oil and gas teams run from APD preparation through field deployment — where the errors hide, why quarter-quarter precision matters, and how to catch problems before they reach BLM or state regulators.",[17,18,20],"h2",{"id":19},"apd-filing-requirements-why-plss-legal-descriptions-must-be-exact","APD Filing Requirements: Why PLSS Legal Descriptions Must Be Exact",[10,22,23],{},"Every APD filed with BLM or a state oil and gas commission requires the proposed well location in PLSS notation. BLM Form 3160-3 asks for the township, range, section, quarter section, and principal meridian — plus latitude and longitude coordinates and footage from section lines. All three location formats must agree with each other.",[10,25,26],{},"State agencies have similar requirements. Wyoming's WOGCC requires PLSS descriptions on Form 1 APD applications, with coordinates in NAD 83. North Dakota's NDIC needs the legal description and surface coordinates on Form 1. Oklahoma's OCC requires the section, township, range, and meridian — either Indian or Cimarron, depending on location.",[10,28,29,30,35],{},"The common thread: every agency cross-checks the PLSS description against the submitted coordinates. If the coordinates fall outside the described section, the APD comes back for correction. For a detailed comparison of how WellSTAR, OCC, and RRC handle this validation differently, the ",[31,32,34],"a",{"href":33},"\u002Fblog\u002Fplss-apd-workflow-guide-2026","APD permitting workflow guide"," covers each system.",[10,37,38],{},"Resubmission costs time. In active basins during drilling season, a two-week delay waiting for permit correction means the rig crew moves to another operator's well. The cost of a transposed range number is not the paperwork — it is the lost spot in the drilling schedule.",[17,40,42],{"id":41},"verifying-well-site-coordinates-against-your-legal-description","Verifying Well Site Coordinates Against Your Legal Description",[10,44,45],{},"The well site location starts on the lease. The geologist picks a target formation, the engineer designs the wellbore path, and the landman confirms the surface location falls within the lease boundaries. That surface location is described in PLSS notation — something like T44N R72W Sec 15 NE¼ SW¼, 6th Principal Meridian.",[10,47,48],{},"The problem is the gap between what is written on the lease and what the field crew needs. The lease says NE¼ SW¼ of Section 15. The surveyor staking the pad needs latitude and longitude. The APD form needs both — plus footage from the nearest section lines.",[10,50,51,52,56],{},"Verification means converting the PLSS description to coordinates and confirming the result lands where you expect. Enter the legal description into the ",[31,53,55],{"href":54},"\u002Fplss-converter","PLSS converter",", get the centroid coordinates back, and check that the point falls in the right county, the right basin, and the right 40-acre parcel. If it does not, the description has an error — and you want to find that before the APD is filed, not after.",[10,58,59],{},"The most common failures at this stage:",[61,62,63,71,77],"ul",{},[64,65,66,70],"li",{},[67,68,69],"strong",{},"Wrong meridian."," Oklahoma has two principal meridians. T14N R9W under the Indian Meridian is in central Oklahoma. The same notation under the Cimarron Meridian is in the Panhandle — roughly 200 miles northwest. If your lease is in the STACK play, you need the Indian Meridian.",[64,72,73,76],{},[67,74,75],{},"Transposed range direction."," T44N R72W and T44N R72E are on opposite sides of Wyoming. In the Powder River Basin, ranges run west of the 6th Principal Meridian. An eastward range puts the described location in Nebraska.",[64,78,79,82],{},[67,80,81],{},"Section boundary errors."," Parcels near section lines are easy to assign to the wrong section. The NE¼ SW¼ of Section 15 is adjacent to Section 22. If the coordinates land across that boundary, the parcel assignment is wrong.",[10,84,85,86,90],{},"Running the conversion before filing catches these errors in seconds. The ",[31,87,89],{"href":88},"\u002Fblog\u002Fwhy-approximate-isnt-good-enough-plss-conversion-accuracy","accuracy deep dive"," explains why approximate coordinate calculations — grid math without actual survey data — introduce their own errors, especially near township boundaries where survey corrections accumulate.",[17,92,94],{"id":93},"the-quarter-quarter-section-hitting-the-right-40-acre-parcel","The Quarter-Quarter Section: Hitting the Right 40-Acre Parcel",[10,96,97],{},"APDs for conventional and directional wells specify the surface location to the quarter-quarter section level — a 40-acre parcel within the 640-acre section. This is where well siting precision matters most.",[10,99,100],{},"A standard section is one mile square: 640 acres. Divide it into quarters (NW, NE, SW, SE) and you have four 160-acre parcels. Divide each quarter into quarters again and you have sixteen 40-acre parcels. The well pad location is described as the inner quarter of the outer quarter: NE¼ SW¼ means the northeast quarter of the southwest quarter of the section.",[10,102,103],{},"Here is why this level of precision matters for well siting. The NE¼ SW¼ and the NW¼ SE¼ of the same section are adjacent — they share a boundary running north-south through the center of the section. But they are different 40-acre parcels, potentially under different lease terms if the mineral rights are split at the quarter section line. Placing a well pad 200 feet east of the intended location can move it from one quarter-quarter into the next.",[10,105,106,107,111],{},"At the ",[31,108,110],{"href":109},"\u002Fuse-cases\u002Foil-gas-well-site-planning","well site planning"," level, this creates three requirements:",[61,113,114,120,126],{},[64,115,116,119],{},[67,117,118],{},"Surface location must match lease boundaries."," The well pad cannot sit on a parcel the operator does not have surface rights to access. Even if the directional wellbore reaches the target formation laterally, the surface location described on the APD must fall within the permitted quarter-quarter section.",[64,121,122,125],{},[67,123,124],{},"Footage from section lines must be consistent."," BLM and state agencies require the distance from the wellhead to the nearest north\u002Fsouth and east\u002Fwest section lines. If you describe the location as NE¼ SW¼ but the footage puts the wellhead in the SE¼ SW¼, the reviewer will flag the inconsistency.",[64,127,128,131],{},[67,129,130],{},"Field staking depends on correct coordinates."," The survey crew staking the pad location works from the coordinates on the approved permit. If those coordinates point to the wrong 40-acre parcel, the pad gets built in the wrong place. Fixing that after construction is not a phone call — it is a new permit, a new survey, and potentially a new pad.",[10,133,134],{},"A concrete example: Section 22, T15N R2E, 6th Principal Meridian. The NW¼ NE¼ has its centroid roughly 0.375 miles east and 0.875 miles north of the section's southwest corner. The NE¼ NE¼ is a quarter mile further east. Confusing the two shifts the well location by 1,320 feet — nearly the length of four football fields, and easily across a surface ownership boundary.",[17,136,138],{"id":137},"township-america-for-oil-gas-teams-batch-processing-and-api-workflows","Township America for Oil & Gas Teams: Batch Processing and API Workflows",[10,140,141],{},"A single-well APD needs one coordinate conversion. A drilling program across a basin needs dozens or hundreds.",[10,143,144,145,149],{},"The ",[31,146,148],{"href":147},"\u002Fguides\u002Fbatch-conversion","batch conversion tool"," accepts a CSV of PLSS descriptions — one per row, with optional meridian and state columns — and returns coordinates, section polygons, and county for every entry. For a 20-well Bakken program across McKenzie and Williams counties in North Dakota, that means uploading one spreadsheet and getting every location verified in a single pass instead of running each description individually.",[10,151,152,153,157,158,162],{},"For land departments that manage well records in an internal database, the ",[31,154,156],{"href":155},"\u002Fapi","Township America API"," automates the conversion entirely. Send a PLSS legal description, get GeoJSON back with centroid coordinates, the section boundary polygon, state, county, and principal meridian. The ",[31,159,161],{"href":160},"\u002Fblog\u002Fhow-landmen-use-plss-api-apd-workflows","API integration for APD workflows"," walks through the full Python implementation, including batch requests for multi-well packages.",[10,164,165,166,170,171,175],{},"The key advantage for oil and gas teams running multi-basin programs: one tool covers all 30 PLSS states and all 37 principal meridians. A company with wells in Wyoming (6th Principal Meridian), Oklahoma (Indian Meridian), and North Dakota (5th Principal Meridian) does not need three different lookup methods or data sources. The ",[31,167,169],{"href":168},"\u002Fwyoming-plss-converter","Wyoming"," and ",[31,172,174],{"href":173},"\u002Foklahoma-plss-converter","Oklahoma"," converters both pull from the same verified BLM CadNSDI dataset.",[17,177,179],{"id":178},"pre-submission-checklist-plss-verification-before-your-apd-goes-to-blm","Pre-Submission Checklist: PLSS Verification Before Your APD Goes to BLM",[10,181,182],{},"Before any APD package leaves your desk, run through these checks:",[61,184,187,201,210,219,228,237,246],{"className":185},[186],"contains-task-list",[64,188,191,196,197,200],{"className":189},[190],"task-list-item",[192,193],"input",{"disabled":194,"type":195},true,"checkbox"," ",[67,198,199],{},"Meridian confirmed."," Check the lease document — not the prospect report, not the land database. Confirm the principal meridian matches the state and county. Wyoming has two (6th PM and Wind River). Oklahoma has two (Indian and Cimarron). Colorado has two (6th PM and New Mexico PM).",[64,202,204,196,206,209],{"className":203},[190],[192,205],{"disabled":194,"type":195},[67,207,208],{},"Description converted to coordinates."," Run every PLSS description through a coordinate conversion and verify the output falls in the expected county and basin. One wrong character in a township or range number moves the location by six miles or more.",[64,211,213,196,215,218],{"className":212},[190],[192,214],{"disabled":194,"type":195},[67,216,217],{},"Quarter-quarter section verified."," Confirm the aliquot part description (NE¼ SW¼, SE¼ NW¼, etc.) matches the intended pad location. Plot the centroid on a map and verify it sits inside the correct 40-acre parcel.",[64,220,222,196,224,227],{"className":221},[190],[192,223],{"disabled":194,"type":195},[67,225,226],{},"Footage from section lines consistent."," Calculate the distance from the wellhead to the nearest north\u002Fsouth and east\u002Fwest section lines. Compare against the quarter-quarter section centroid. If the footage does not match the described aliquot part, one of them is wrong.",[64,229,231,196,233,236],{"className":230},[190],[192,232],{"disabled":194,"type":195},[67,234,235],{},"Section boundary checked."," For well locations near section lines, verify the parcel is assigned to the correct section number. Adjacent sections share boundaries — a few hundred feet of drift can move the location into a neighboring section.",[64,238,240,196,242,245],{"className":239},[190],[192,241],{"disabled":194,"type":195},[67,243,244],{},"Coordinates match all three formats."," The PLSS legal description, the latitude and longitude, and the footage from section lines must all point to the same spot. If any format disagrees with the others, find the discrepancy before filing.",[64,247,249,196,251,254],{"className":248},[190],[192,250],{"disabled":194,"type":195},[67,252,253],{},"Old lease descriptions cross-referenced."," For leases tracing back to original GLO patents, confirm the historical description aligns with current CadNSDI survey data. Resurveyed sections can shift boundaries from their original platted positions.",[10,256,257],{},"Every APD rejection for a location error is a rejection you could have prevented. The data to verify each description already exists — the conversion takes seconds, and the cost of checking is nothing compared to the cost of a delayed permit during drilling season.",[10,259,260,263,264,268],{},[31,261,262],{"href":54},"Try the PLSS converter"," for your next APD location, or ",[31,265,267],{"href":266},"\u002Fpricing","see batch and API pricing"," for teams handling volume.",{"title":270,"searchDepth":271,"depth":271,"links":272},"",2,[273,274,275,276,277],{"id":19,"depth":271,"text":20},{"id":41,"depth":271,"text":42},{"id":93,"depth":271,"text":94},{"id":137,"depth":271,"text":138},{"id":178,"depth":271,"text":179},null,"2026-04-16","How oil and gas teams verify PLSS well site locations from APD filing through field deployment — quarter-quarter precision on every 40-acre target.",false,"md",{"author":284,"category":285,"hero_image":270},"Township America","industry","\u002Fblog\u002Fplss-oil-gas-well-siting-2026-apd-to-field",{"title":5,"description":280},"blog\u002Fplss-oil-gas-well-siting-2026-apd-to-field",[290,291,292,293,294],"Oil and Gas","APD","PLSS","Well Siting","Landman","jWcU8n2pGfdtWHzOb37j24Lgn3Jzh2yfZ870iR0rs2A"]