[Proj] Lease block definition
Dean C.Mikkelsen
dcmikkelsen at terraetl.com
Mon Sep 1 09:43:43 PDT 2008
Hi everyone,
Here is a useful site on the GOM Lease Blocks:
http://www.gomr.mms.gov/homepg/pubinfo/MapsandSpatialData.html
If you have any questions, let me know.
Cheers,
Dean
On Mon, 1 Sep 2008 10:43:54 -0500
"Noel Zinn" <ndzinn at comcast.net> wrote:
> The US Outer Continental Shelf (Gulf of Mexico anyway)
>lease blocks are
> defined in NAD27 UTM by zone (so extended coverage per
>the recent threat is
> of no relevance), but in US Survey Feet. These are
>federal waters. State
> waters are defines SPCS27.
>
> Google "protraction diagram" and you'll find all the
>information you'll
> need.
>
> Noel
>
> -----Original Message-----
>From: proj-bounces at lists.maptools.org
> [mailto:proj-bounces at lists.maptools.org] On Behalf Of
>Gerald I. Evenden
> Sent: Monday, September 01, 2008 9:31 AM
> To: PROJ.4 and general Projections Discussions
> Subject: [Proj] Lease block definition
>
> A few weeks ago the item of oil lease blocks came up as
>an item to be
> plotted
> on extended range TM maps. My encounter with lease
>blocks was only as a
> short spectator of someone digitizing the irregular
>shore boundaries of said
>
> lease blocks.
>
> My understanding is that the lease block boundaries are
>established in terms
>
> of UTM grid coordinates? If so, what are the typical
>side lengths in
> meters?
>
> My recollection was that one of the reasons for
>selecting TM for large area
> mapping was because of "facilitating" the plotting of
>lease blocks. True,
> false?
>
> Any information related to what has been done or
>proposed for large region
> mapping with TM would be appreciated.
> --
> The whole religious complexion of the modern world is
>due
> to the absence from Jerusalem of a lunatic asylum.
> -- Havelock Ellis (1859-1939) British psychologist
> _______________________________________________
> Proj mailing list
> Proj at lists.maptools.org
> http://lists.maptools.org/mailman/listinfo/proj
>
> _______________________________________________
> Proj mailing list
> Proj at lists.maptools.org
> http://lists.maptools.org/mailman/listinfo/proj
Dean C. Mikkelsen, B.Sc., P.Eng.
Upstream Oil & Gas Geodesy and Information Management
E-mail: dcmikkelsen at terraetl.com
http://www.terraetl.com
More information about the Proj
mailing list