Oil and gas exploration and production.
Also used by AIOC and BP as a height system for engineering survey at Sangachal terminal (see CRS code 5797). AIOC95 datum is 1.7m above Caspian datum and 26.3m below Baltic datum.
Azerbaijan - Caspian offshore and onshore Sangachal terminal.
40.24 50.19
37.89 48.66
42.59 51.73
48.66 37.89
51.73 42.59
Definition: OGC Well Known Text 2 (2019)
VERTCRS["AIOC95 depth", VDATUM["AIOC 1995"], CS[vertical,1], AXIS["depth (D)",down, LENGTHUNIT["metre",1]], USAGE[ SCOPE["Oil and gas exploration and production."], AREA["Azerbaijan - Caspian offshore and onshore Sangachal terminal."], BBOX[37.89,48.66,42.59,51.73]], ID["EPSG",5734]]
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "VerticalCRS", "name": "AIOC95 depth", "datum": { "type": "VerticalReferenceFrame", "name": "AIOC 1995" }, "coordinate_system": { "subtype": "vertical", "axis": [ { "name": "Depth", "abbreviation": "D", "direction": "down", "unit": "metre" } ] }, "scope": "Oil and gas exploration and production.", "area": "Azerbaijan - Caspian offshore and onshore Sangachal terminal.", "bbox": { "south_latitude": 37.89, "west_longitude": 48.66, "north_latitude": 42.59, "east_longitude": 51.73 }, "id": { "authority": "EPSG", "code": 5734 } }
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+vunits=m +no_defs +type=crs"> <Layer srs="+vunits=m +no_defs +type=crs"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 5734, 'EPSG', 5734, '+vunits=m +no_defs +type=crs', 'VERT_CS["AIOC95 depth",VERT_DATUM["AIOC 1995",2005,AUTHORITY["EPSG","5133"]],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Depth",DOWN],AUTHORITY["EPSG","5734"]]');