Land & Coastal Water Survey Services

Land Surveyor

The Land Division's professional staff has decades of experience performing Land, Coastal, and Transition Zone surveys.

The Land Survey Division Specializes in cadastral surveys, boundary surveys, topographic surveys, hydrographic surveys, horizontal & vertical control surveys, shallow water hazard surveys, quantity/volume surveys, proposed pipeline surveys,  pipeline construction surveys, depth-of-cover surveys, pipeline as-built surveys, well location surveys, flowline surveys, and river and canal crossing surveys.

The division provides alignment charts, plan & profile maps, right-of-way drawings, unitization drawings, aerial photo mapping, and legal descriptions used for permitting with a variety of government agencies.

Crews are trained to perform within environmentally sensitive wetlands, uplands, swamps, marshes, coastal waters, and river and canal crossings. Formal instruction includes health and safety, including first aid, CPR, small boat operations, defensive driving, and water survival.

Services Provided Include:

Pipeline Survey Services
Well Location Survey Services
Other Land Survey Services

Pipeline Survey Services

Preliminary Planning Maps

Preliminary Planning Maps utilize aerial photography as a backdrop. These help in the planning and design of in-field infrastructure, including pipelines, flowlines, and wells; and identifying appropriate pipeline routes and suitable methods of access.

Planning Maps are invaluable for determining the number of road, river, bayou, stream, and pipeline crossings that will be encountered. Data on right-of-way ownership, the type of terrain expected, and evidence of potential wetlands are included. Planning Maps are a significant resource to have available during meetings with landowners and governmental agencies when evaluating regulatory requirements and restrictions.

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Right-of-Way Plats

Right-of-way Plats are property specific maps showing planned or existing routes (Pipeline, Roads, Utilities, Canals) in relation to ownership boundaries utilized in acquiring right-of-ways.

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River and Canal Crossing Surveys

River and Canal Crossing surveys determine bathymetry of waterways being crossed to establish a suitable route and aid in pipeline design. River crossing surveys are also conducted to monitor sediment transfer properties of the channel, to establish the depth-of-cover of existing pipelines, to identify potential problem areas, and to establish or disprove evidence of exposed pipe.

C & Cís field crews are trained in DOTD Operator Qualification Requirements for survey personnel for both gas and liquid pipelines. C & C is currently registered with ISNNETWOLD and VERIFORCE for DOTD Operator covered tasks.

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Shallow Water Hazard Surveys

Shallow water hazard surveys are detailed investigations performed for pre-construction and planning, pre-and-post-abandonment projects, permitting of marine pipeline & flowline routes, and platform & drill site placement. These surveys and corresponding reports meet government compliance regulations, including the US Army Corps of Engineers and BOEM/BSEE. These provide project managers and engineers with information to assess the feasibility of proposed pipeline routes or well locations as well as to assess the environmental and geologic conditions of the project area.

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Construction Layout Surveys

Construction layout surveys are performed prior to (or during) construction to ensure a project is built according to the engineering design plans. This involves interpreting layout drawings and locating and staking the locations and reference points for proposed construction. The purpose of these surveys is to control construction elevations, horizontal positions, dimensions, and configurations; and to help facilitate that the project is completed on schedule and on budget.

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As-Built / Depth-of-Cover Surveys

As-built and depth of cover surveys are conducted to determine and map the depth and elevation of a pipeline with respect to the natural ground. These surveys are required by Federal Agencies including DOTD and for Coastal use permit compliance. C & Cís Land and Transitions Zone Survey Division personnel are DOTD-trained and registered to perform depth-of-cover surveys for both liquid and gas pipelines.

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Corps of Engineers Permit Drawings

The US Army Corps of Engineers prohibits the obstruction or alteration of navigable waters within the United States without a permit. C & C provides surveys, research, and cartography services to provide clients with the appropriate drawings required for US Army Corps of Engineers permitting.

C & C delivers drawings that include a Vicinity Drawing identifying the site of the proposed activity for public notices and for other agencies to review, a Plan View Drawing that shows details of the proposed activity from an overhead perspective, and a Cross Section Drawing that shows the side, front, or rear of the proposed activity.

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Alignment Sheets

Alignment Sheets provide pipeline detail with a visual representation of adjoining facilities, including pipeline characteristics, compliance data, safety, planning, maintenance, and future construction requirements. Alignment sheets are considered "as-built" drawings, which detail the exact route of the pipeline and incorporate information collected during pipeline construction. This may include geographic information, environmentally sensitive areas, political boundaries, right-of-way boundaries, and crossings.

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Well Location Survey Services

Staking of Proposed Well Locations

These surveys physically mark the locations of proposed oil & gas wells and document the conditions at the drill site. C & C's survey professionals work with environmental specialists to ensure that all data collected meets the requirements of state and federal agencies.

C & C plots well locations with an aerial background image retrieved from its in-house database.  Staking of proposed locations simplifies survey logistics and identifies potential problems prior to field mobilization.

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Location of Plugged and Abandoned Wells

These well location surveys are performed to locate abandoned well locations for re-entry or to accurately map wells as geologically significant for unitization purposes. Geophysical instrumentation including side scan sonar and magnetometer recordings. Other scanning sonar systems may be employed for well location survey services, as required.

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Pre-and Post-Dredging Surveys

These surveys define pre-construction terrain elevations versus post-construction elevations to calculate volumes of fill or cut materials. These are performed to strict hydrographic and topographic standards and often used to determine contractor payment amounts. The resulting charts may also be used to depict project as-built conditions for permitting requirements.

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Salt Water Disposal Well Surveys

Salt Water Disposal Well Surveys, which are similar to oil and gas well location surveys, are conducted to establish the physical conditions at a proposed disposal well drill site. C & C specializes in collecting field data and developing the location drawings and documentation necessary to meet state and federal agency requirements.

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Dept. of Conservation and Corps of Engineers Permit Drawings

C & Cís Land and Coastal Water Division provides well location drawings required to meet regulatory permitting for the Office of Conservation and the Corps of Engineers. These may include slip access alignments or other pertinent data.

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Drill Site Surveys

Well Drill Site Surveys are performed to identify proposed or as-built access routes and drill site configuration for the purpose of litigating damages or negotiating surface rights.

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Flowline Surveys

C & C has surveyed thousands of miles of flowlines and pipelines across swamps, marshes, forests, and shallow water terrain. Crews utilize GPS and conventional survey instrumentation to conduct pre-construction route surveys, as-built surveys, and high order control surveys. Field operations may involve magnetometers, side scan sonar, single-beam or multibeam echosounders, and hand-held probes to determine pipeline depth-of-burial.

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Other Land Survey Services

Unit Surveys

A Unit Survey shows subsurface mineral boundaries for the specific purpose of allocating mineral rights. C & C utilizes propriety software to quickly and accurately develop unit plats.

Lease maps are colorized to depict leaseholder information for specific projects. These maps aid lease brokers, land men, and operators to better manage their properties. Lease maps also portray the progression of various leases over time for specific properties.

Mineral history maps aid in illustrating potentially complex lease and prescription issues used by title attorneys for abstracting leases.

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Hydrographic Surveys

Hydrographic surveys are performed to determine the depth of water, the configuration of bottom, and to identify hazards to navigation. For over ten years NOAA has contracted C & C to perform hydrographic surveys to update US nautical charts. This involves tidal recording and processing.

C & C also provides hydrographic survey services for the oil and gas industry, academic organizations, private industry, and other government agencies. C & Cís marine vessels are specifically designed and outfitted for hydrographic survey and mapping operations. State-of-the-art technology includes C & Cís own global positioning system (C-Nav), high precision single and multibeam echosounders, modern computing systems, and hydrographic software for navigation, data collection, and post processing.

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Topographic Surveys

Topographic Surveys define selected natural and man-made features of a particular area to establish horizontal and vertical relations. These surveys are used by project engineers to aid in project layout and design, maintenance, and ongoing development operations.

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State Lease Tract Nominations

State Lease Tract Nominations include a plat and a legal description. These documents are specifically prepared for state acreage nomination submissions and for the relinquishment of partial tracts and acreage.

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GPS Control Surveys

GPS static control surveys are the most cost effective way of establishing highly accurate primary survey control. GPS carrier phase technology is utilized to establish survey control in remote areas or to increase density of control within an existing network. The accuracy of this type of survey can far exceed that of conventional survey techniques. C & C has performed thousands of hours of GPS static control surveys domestically and internationally.

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Side Scan Sonar Surveys

C & C Technologies owns and operates dozens of side scan sonar systems, including several high-speed Klein systems, which were originally developed by the US government for locating marine mines. Side scan sonar surveys are performed to detect, identify, and measure features found beneath the surface of the water but above the natural bottom. The system can be used to locate exposed or damaged pipelines, for clearance of anchor mooring positions, and to identify drag scar locations from recent seabed impacts associated with oil and gas activities. C & C often employs side scan sonar following hurricane and other storm events for pipeline inspections and to assist clients in the salvage of lost tools and platform debris.

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Magnetometer Surveys

Magnetometer Surveys are performed to detect ferrous objects such as well casings, pipelines, buried tanks, lost hardware, and debris. C & C has a large inventory of land and marine magnetometers and provides these surveys on land and on inland and coastal waterways.

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Mineral History Mapping

A unit or mineral survey is performed to generate a plan view plat depicting subsurface mineral boundaries prepared for the specific purpose of allocating mineral rights. C & C utilizes propriety software customized to quickly and accurately draft unit plats depicting leaseholder information. These maps are a tool to help lease brokers, land men, and operators to better manage their properties. Mineral history maps aid to illustrate potentially complex lease and prescription issues used by title attorneys for abstracting leases.

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Boundary Surveys

A Boundary Survey identify the perimeters of a parcel or tract of land for the purpose of locating ownership lines and for locating and describing fixed improvements for platting or dividing a parcel. This is accomplished by establishing or re-establishing corners, monuments, and boundary lines. Encroachments, easements, and other characteristics are also identified and reported.

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Aerial Photo Base Maps

Aerial Base Maps are project specific maps depicting such items as section lines, well locations, pipelines, ownership, state lease outlines, conservation unit outlines, and other pertinent information overlaid on aerial photographs. These maps provide a general overview of the project area as well as aiding in the planning of future in-field infrastructure such as platforms, wells, and flowlines.

Aerial Base Maps are a great asset and source of information for consulting with landowners for surface and mineral negotiations and when meeting with governmental agencies to address regulatory requirements and restrictions.

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