Search found 117 matches

by Gery
Sun Jan 10, 2021 9:23 pm
Forum: Near Surface Geophysics
Topic: Sub bottom profiler
Replies: 63
Views: 73421

Re: Sub bottom profiler

paraban wrote:
Thu Jul 19, 2012 4:35 am
here there are some nice examples: http://www.g3eo.info/seismicreflection_examples.html
Here nice examples, take a look: https://g3eo.com/examples.html
by Gery
Wed Oct 30, 2019 6:28 pm
Forum: Near Surface Geophysics
Topic: SyQwest models
Replies: 0
Views: 5644

SyQwest models

I found three models here https://www.syqwestinc.com/products/sub ... -profilers: (1) Bathy-2010P, (2) Bathy-2010PC, (3) Bathy-2010, are these basically the same systems or do you notice any significant differences? Thanks for any pointers.
by Gery
Tue Oct 30, 2018 5:28 pm
Forum: Buy, Sell or Trade
Topic: Multibeam for rental
Replies: 0
Views: 1016

Multibeam for rental

Hi,
Does anyone have a multibeam system for rental? If so please let me know my email is gery@g3eo.com, thanks.
by Gery
Tue Oct 30, 2018 6:44 am
Forum: Buy, Sell or Trade
Topic: SyQwest chirp bathy for rental
Replies: 0
Views: 996

SyQwest chirp bathy for rental

Hi,
Does anyone have a chirp bathy for rental? If so please let me know my email is gery@g3eo.com, thanks.
by Gery
Fri Oct 12, 2018 9:05 am
Forum: Buy, Sell or Trade
Topic: Buy shallow water magnetometer system
Replies: 0
Views: 1035

Buy shallow water magnetometer system

Hi,

Is there someone selling a magnetometer system for shallow water surveys? please let me know, thank you.

Best,

Gery
by Gery
Tue Oct 09, 2018 1:28 pm
Forum: Oil and Gas Exploration
Topic: Seismic Unix Help-Seismic data Processing
Replies: 11
Views: 23428

Re: Seismic Unix Help-Seismic data Processing

EltonM wrote:
Mon May 22, 2017 12:52 am
Gery wrote:
Wed Aug 14, 2013 7:56 am
try:

suoldtonew < data2013.su | suxwigb &
suoldtonew < data2013.su | suximage &
This worked perfect thanks Gery.
you're welcome EltonM! :D
by Gery
Fri Dec 18, 2015 11:06 pm
Forum: Near Surface Geophysics
Topic: Rule of thumb for seismic (e.g., chirp) amplitude data compensation
Replies: 0
Views: 951

Rule of thumb for seismic (e.g., chirp) amplitude data compensation

Dear gurus, This is a question about practical rules of thumb to compensate seismic amplitudes of shallow-water (e.g., ultra-high resolution) seismic data for attenuation losses. In this kind of data, attenuation is expected to be high due to the high-frequency sources used. Therefore, to correct fo...
by Gery
Wed Dec 09, 2015 7:26 am
Forum: Oil and Gas Exploration
Topic: SUXIMAGE error in Seismic unix
Replies: 17
Views: 5343

Re: SUXIMAGE error in Seismic unix

Just run

Code: Select all

which suximage
and check that path
by Gery
Tue Oct 07, 2014 10:15 am
Forum: General Geophysics and Geoscience
Topic: p and q, simple formulation, or am I wrong?
Replies: 3
Views: 1589

Re: p and q, simple formulation, or am I wrong?

I looked at it wrong, sini^2+cosi^2=1, thanks geophix and sorry for the noise guys, I think too much coffee :lol:
by Gery
Tue Oct 07, 2014 6:03 am
Forum: General Geophysics and Geoscience
Topic: p and q, simple formulation, or am I wrong?
Replies: 3
Views: 1589

p and q, simple formulation, or am I wrong?

Hello, I have kind of a dumb question here, but I will ask it anyway. I read a simple formulation (equations 1, 2 and 3 using figure 1in attached paper) and got confused. If you took a quick look, 'p' and 'q' variables (equation 3) should be 1/sini.V and 1/cosi.V, respectively, based on equation 1. ...
by Gery
Tue Jun 24, 2014 5:23 am
Forum: General Geophysics and Geoscience
Topic: 2D HR Marine Seismic Reflection Processing by Using SU
Replies: 3
Views: 2219

Re: 2D HR Marine Seismic Reflection Processing by Using SU

thanks for sharing, but you used some SEGY as input in your posts (as well as geometry info), could you share those? I think that is useful so people can test what you did.
by Gery
Tue Jun 17, 2014 4:11 am
Forum: General Geophysics and Geoscience
Topic: geophysicist joke
Replies: 12
Views: 13744

Re: geophysicist joke

A man is going to an appointment and he notices that he is lost, so he stops in the middle of the street and asks someone there: - Excuse me!!, could you help me? I had an appointment at 2 o'clock with a friend and I am 30 minutes late and I have no idea where I am!! - Of course I can help you -answ...
by Gery
Sat Mar 29, 2014 5:26 pm
Forum: Oil and Gas Exploration
Topic: prices (estimates) to buy 2D/3D offshore systems
Replies: 10
Views: 7380

Re: prices (estimates) to buy 2D/3D offshore systems

Thanks guys for your answers and links, I appreciate that, cheers.
by Gery
Tue Mar 25, 2014 3:57 am
Forum: Oil and Gas Exploration
Topic: prices (estimates) to buy 2D/3D offshore systems
Replies: 10
Views: 7380

Re: prices (estimates) to buy 2D/3D offshore systems

Thank you guys for the answers and links, so the prices range between USD 200m and 10m, as expected, the newer the more expensive. But I am actually thinking on the system itself, and if I buy a 3D full-equipped system (let's say 8 streamers) I could easily do 2D surveys, right?. Now, such systems a...
by Gery
Mon Mar 24, 2014 2:31 pm
Forum: Oil and Gas Exploration
Topic: prices (estimates) to buy 2D/3D offshore systems
Replies: 10
Views: 7380

Re: prices (estimates) to buy 2D/3D offshore systems

and how much would that be? any idea?
by Gery
Mon Mar 24, 2014 2:13 pm
Forum: Oil and Gas Exploration
Topic: prices (estimates) to buy 2D/3D offshore systems
Replies: 10
Views: 7380

prices (estimates) to buy 2D/3D offshore systems

Hello, Imagine I win the lottery today (around USD 1M) and I want to buy offshore seismic systems (2D, 480 channels, 12.5 m spacing, 6 km; and 3D, 360 channels, 3 or 6 streamers). How much would I need to buy such things? I mean, the whole systems? both scenarios, new and 2nd hand, would be great to...
by Gery
Thu Jan 30, 2014 6:47 pm
Forum: Oil and Gas Exploration
Topic: Acquisition time for marine 3D MCS data
Replies: 2
Views: 1321

Re: Acquisition time for marine 3D MCS data

Thanks a lot GuyM, I appreciate your explanation. I have no further details to give you an answer to every question you asked, but it seems to me that it wouldn't be the worst-case scenario, so 2 months sound like a good time to me. Again, this is just a simple question, no real survey involved thou...
by Gery
Thu Jan 30, 2014 12:37 pm
Forum: Oil and Gas Exploration
Topic: Acquisition time for marine 3D MCS data
Replies: 2
Views: 1321

Acquisition time for marine 3D MCS data

This is probably a bit "broad" because several related issues (such as funding, administrative stuff, etc, etc), but imagine everything is in order, so I was wondering if someone knows how long it would take to acquire marine 3D multichannel seismic data (3 surface-towed streamers, 3 km each) in wat...
by Gery
Thu Nov 07, 2013 6:28 am
Forum: General Geophysics and Geoscience
Topic: geophysicist joke
Replies: 12
Views: 13744

Re: geophysicist joke

nsg wrote:ANOMALY

Question: Why does a geophysicist like rational women?
Answer: Because they are anomalies.

:lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol:
by Gery
Thu Nov 07, 2013 6:20 am
Forum: Near Surface Geophysics
Topic: Advice for buying a sub-bottom profiler
Replies: 18
Views: 18041

Re: Advice for buying a sub-bottom profiler

I've seen a lot of success using the Stratabox from Syquest in everything from deep bays to 2' deep settling ponds. It produces decimeter resolution and you can mount it on smaller craft like inflatables. really?? btw, you don't work for stratabox, do you? it would be good to have some of those gre...
by Gery
Thu Nov 07, 2013 5:19 am
Forum: Oil and Gas Exploration
Topic: Phoenix to SEGY standard
Replies: 0
Views: 840

Phoenix to SEGY standard

Hello,

Would someone have a software to convert Phoenix I format (vendor called Phoenix Data Solutions, probably the proprietary format) to SEGY standard? afaik it derives from the SEGX exchange format that preceded SEGY.

Any hint on this will be appreciated,

Cheers,
by Gery
Wed Aug 14, 2013 10:13 am
Forum: Oil and Gas Exploration
Topic: Seismic Unix Help-Seismic data Processing
Replies: 11
Views: 23428

Re: Seismic Unix Help-Seismic data Processing

Glad to hear that it helped you, enjoy playing with it and learning! :D
by Gery
Wed Aug 14, 2013 9:59 am
Forum: Oil and Gas Exploration
Topic: Seismic Unix Help-Seismic data Processing
Replies: 11
Views: 23428

Re: Seismic Unix Help-Seismic data Processing

Thanks Gery, Now it works.but we also get: suoldtonew: converted 735 traces to XDR format. what is this? we need data in su format,that i have already. Why earlier it was not working? Can explain it? can you tell me step to correct the headers. you're welcome ranjeet, to your questions: 1. as far a...
by Gery
Wed Aug 14, 2013 7:56 am
Forum: Oil and Gas Exploration
Topic: Seismic Unix Help-Seismic data Processing
Replies: 11
Views: 23428

Re: Seismic Unix Help-Seismic data Processing

try:

suoldtonew < data2013.su | suxwigb &
suoldtonew < data2013.su | suximage &
by Gery
Mon Jan 28, 2013 5:44 pm
Forum: General Geophysics and Geoscience
Topic: Is geophysics for physics people?
Replies: 10
Views: 8389

Re: Is geophysics for physics people?

I think it's not the correct definition, oceanography is one branch of the Earth sciences that studies the biological, geological, chemical and physical processes occurring in oceans and seas. So, oceanography is like geography, one branch of the Earth sciences.