Woods Hole Oceanographic Institution
Cruise Planning Questionnaire
AT25-05, NE Pacific CORK Servicing and Experiments
Cruise PartyKeir Becker: Principal Investigator
Univ. Miami, RSMAS USA
+1 305 421 4661
Jordan Clark: Principal Investigator
Univ. California, Santa Barbara USA
+1 805 450 1824
Sharon Cooper: Principal Investigator
Consortium for Ocean Leadership 1201 New York Ave, NW, 4th Floor Washington DC, Washington DC USA 20005
+1 412 421 4240
James Cowen: Principal Investigator
1000 Pope Road Honolulu, HI USA 96822
+1 808 956 7124
Katrina Edwards: Principal Investigator
Organization Name USA
+1 213 821 4390
Andrew Fisher: Principal Investigator, Chief Scientist
UCSC 1156 High Street Santa Cruz, CA USA 95064
+1 831 459 5598
Charles Wheat: Principal Investigator
Univ. Alaska Fairbanks USA
+1 831 633 7033
Departure: Astoria, OR on Jul 13, 2013
Arrival: Astoria, OR on Jul 26, 2013
Mobilization Date: Jul 11, 2013
Demobilization Date: Jul 27, 2013
Operations Area: ODP/IODP Sites 1026, 1027, 1301, 1362
Lat/Lon: 47° 45.5′ N / 127° 45.0′ W
Depth Range: 2600 / 2700
Will the vessel be operating within 200 NM of a foreign country? Canada
Are visas or special travel documents required? no
OCE 1031808 (UCSC) and associated grants support multidisciplinary borehole experiments in oceanic crust, to assess hydrogeologic, solute and colloid transport, biogeochemical, and microbiological processes and properties at multiple spatial and temporal scales (meters to kilometers, minutes to years). These experiments are intended to enhance our understanding of hydrogeologic properties and fluid processes within the volcanic oceanic crust. This work follows completion of Integrated Ocean Drilling Program Expedition 327, which operated in Summer 2010, and earlier drilling and submersible/ROV expeditions.
The primary work area for Expedition 327, and for Summer 2013 Atlantis/Jason expedition AT25-05, is on 3.5-3.6 Ma seafloor on the eastern flank of the Juan de Fuca Ridge. Six long-term borehole observatories (CORKs) in a 2.5 square kilometer area are separated by distances of 40 to 2460 m, five aligned along a trend of N20E (Holes 1026B, 1301A, 1301B, 1362A, 1362B) and one located 2.2 km to the east (Hole 1027C). All of these holes were drilled, cased, cored, and tested, then instrumented with CORKs using the drillship JOIDES Resolution. Secondary objectives may include: downloading data from additional CORK systems located at Sites 1024 and 1025 (located 30-40 nmi west of main work site), testing a Alvin/Jason heat flow probe insertion frame, and/or mapping/sampling at nearby Mama Bare, Papa Bare, or Zona Bare outcrops (within 10 nmi of primary work site).
The primary network of instrumented (CORK) sites allows continuous monitoring of pressure and temperature at depth, sampling of fluids and microbiological material, and measurement of fluid flow rate using autonomous instrumentation. These CORK systems require servicing with a submersible or ROV to download data, recover samples, manipulate valves, and replace a variety of experimental systems. This is a primary goal of the Summer 2013 expedition with the ROV Jason II and the R/V Atlantis. We will also recover a flow meter currently installed on one of the CORK observatories, and close a large-diameter ball valve, shutting off the discharge of hydrothermal fluid that was initiated in Summer 2011. Data from this flowmeter will be downloaded, and the instrument will be redeployed on another wellhead (or replaced with a second instrument), and a large-diameter ball valve on that wellhead will be opened, initiating flow from the CORK. These free flow experiments create pressure perturbations at surrounding CORKs, and also provide fluid and microbiological sampling opportunities. By monitoring the formation pressure response at the different observatories, located at different distances, depths, and directions from the CORK that will be allowed to discharge fluid, researchers will be able to assess the nature of crustal hydrologic properties. Wellhead instruments deployed during previous expeditions (fluid samplers, microbial growth incubators) will be recovered and replaced. A GeoMicrobiology sampling sled deployed on one wellhead will be recovered, and additional (active) fluid sampling will occur at various wellheads. Finally, we plan to recover one downhole instrument system in Hole 1301A, using a winch and floatation system or pulling with Jason or Madea, then sealing this CORK with a plug.
Primary goals for the Summer 2013 JdF Flank expedition AT25-05 are to service of network of six subseafloor observatories (CORKs), collect fluid andmicrobiological samples, recover and deploy autnonomous instruments, and run cross-hole hydrogeologic, geochemical, and microbiological experiments. Because of the close spacing between the primary CORK systems, it should be possible to combine operations at multiple wellheads during a single Jason dive, but this will depend on payload, electrical connection, elevator and other operational requirements.
Active pressure measurement and logging systems are currently installed in six primary CORKs; 1026B, 1027C, 1301A, 1301B, 1362A, 1362B. Data from Hole 1026B are being downloaded automatically using the Neptune Canada cable network. Data from the other CORKs will be downloaded with Jason. All of these downloads will be accomplished using the same ODI underwater mateable connector. Pressure download operations will include manipulation of valves to check the hydrostatic pressure offset and evaluate potential gauge drift. Most of the data loggers to be downloaded are installed vertically on the CORK wellhead. The CORK in Hole 1027C was retrofitted in Summer 2011 with a modern data logger system currently located on the ROV platform around the wellhead.
An autonomous flowmeter system was deployed in Summer 2011 on the top of a ball valve in the wellhead the CORK in Hole 1362B. This flowmeter uses an electro-magnetic induction sensor to determine the rate of fluid outflow from the CORK over time, with measurements made every 60 minutes. This flowmeter is held in place with a rotating clamp built onto the top of the ball valve. Opening that valve started a long-term flow experiment, with overpressured formation fluids discharging at an estimated rate of 5–10 L/s, and pressure monitoring is ongoing in this hole and in nearby CORKs to determine the nature of the cross-hole response. A vertical PVC pipe with a diameter of 4 inches extends upward from the flowmeter sensor by about 1 m. Four autonomous thermal loggers are installed along the length of this pipe, to provide an independent estimate of the upward fluid flow rate (using heat as a tracer). In addition, this pipe is providing fluid and microbiological sampling opportunities, with inlets to samplers "hung" over the top of the pipe, allowing fluids to be sampled during discharge from the hole. We plan to recover this flowmeter and download associated data. We will either redeploy this instrument on the CORK in Hole 1362A, or deploy a newer version of the flowmeter that includes optical communication capabilities.
OsmoSampler systems are currently installed on wellheads in five holes (all except Hole 1027C). OsmoSampler systems include Teflon coils, copper coils, and microbiological FLOCS incubation chambers. Existing systems will be recovered and new systems will be installed. The OsmoSamplers installed on the CORK in Hole 1362A will draw fluids from the discharge from the flowmeter system, rather than from lines on the wellhead.
Borehole fluid samples will be collected from wellheads using a variety of techniques. Active pumping systems use mechanical and hydraulic pumps and will be deployed and recovered on a short-term basis. These systems can be used to draw fluids from valves and fittings on CORK wellheads, and to sample from flow discharging from the flowmeter. NOTE: when actively sampling from CORK wellhead fittings using a mechanical/hydraulic pump system, we may need to close OsmoSampler and/or pressure monitoring valves so that we don't damage associated instruments.
A Geomicrobiology sampling and analytical sled deployed on Hole 1362B during Summer 2011 will be recovered and will not be redeployed during this expedition. We will also recover a downhole instrument string in Hole 1301A, deployed in 2009. This will require attaching a recovery tool to the metal plug in the top of the CORK wellhead, and pulling upward with either a shipboard winch system or (preferably), using Jasin or Madea to pul upward as needed to overcome seal friction between the plug and the wellhead. The downhole string is approx. 275 m long, weighs ~400 lbs in air, and has multiple weights and sample assemblies distributed along its length We may bring to sea an Alvin-style heat flow probe (66 cm in length) and a prototype insertion frame that helps to keep the probe vertical during penetration. We may wish to use this tool near one of the CORK wellheads, during a dive of opportunity, or possibly at one of the secondary field sites to be explored if all primary CORK work is completed and time remains available during the expedition. We may also wish to download pressure data from another CORK system located to the west, at Sites 1024 or 1025, or to survey nearby basement outcrops that are known sites of hydrothermal discharge. .
Pre-cruise planning meeting: Teleconference
Media personnel on board: Video
Several EOC specialists, lead by Sharon Cooper, including Lisa Strong, videographer. We are also exploring options for a high-bandwidth "tele-presence" with WHOI and URI staff.
Funding Agency: C-DEBI #E&O support, NSF #OCE-1031808
- added C-DEBI #E&O support on Feb 10, 2013 8:10 PM by Andrew T. Fisher
- added NSF #OCE-1031808 on Feb 10, 2013 8:09 PM by Andrew T. Fisher
Shipboard EquipmentBathymetry System 12 kHz
Bathymetry System 3.5 kHz
Deionized Water System
Navigation - Heading
Navigation - Position
Relay Transponder for Wire Use
Transponder Navigation - Sonardyne USBL
Science Underway Seawater System
Shipboard CommunicationBasic Internet access via HiSeasNet
Is there a need to receive data from shore on a regular basis?
Is there a need to transfer data to shore on a regular basis?
Is there an expectation to use Skype or any other real-time video conference program?
CTD/Water Sampling911+ Rosette 24-position, 10-liter bottle Rosette with dual T/C sensors
Critical CTD Sensors: Test new flowmeter on wireline using small Alvin elevator, modifed for this use
Sample StorageClimate Controlled Walk-in
Freezer -70°C 3.2 cu. ft. ea.
Scientific Walk-in Freezer
Will you be using Long Base Line (LBL) navigation? no
Will you be using Ultra-short baseline (USBL) navigation for other than Alvin operations? no
Navigation Notes: Our primary work will be with Jason, assume USBL. If we have time and do some additional survey work on outcrops, nav requirements will depend on time available. Also, if we do outcrop work, we may wish to generate maps at sea. But if we just work at the primary sites (all CORK work), no maps will be needed.
WinchesCTD Winch with .322" Electro-mechanical wire
Hydro Winch with .25" hydro wire
Other Portable Winch
Winch Notes: Winches are for CTD work, also to lower/recover instruments being deployed or calibrated in water column. In addition, portable winch with Plasma cable (C. G. Wheat, co-PI). This tool may be needed for CORK string recovery (recovery with Jason/Medea is preferred). If we use the Plasma winch, will be installed on port side of forward fantail, with sheave extending using hydroboom.
Wire use and applicationOther
Hydro Winch with .25" hydro wire
CTD Winch with .322" Electro-mechanical wire
Wire Notes: We will launch and recover elevators with experimental componets to be delivered to the seafloor to be merged with CORK systems, or recovered from CORKs with aid of Jason. I have asked co-PIs to provide specs for these systems, weights, dimensions etc. but did not want to wait for this information before filing this report. I'll keep working on this to get detailed specs. We will also have OsmoSamplers, ODI UM connectors, and microbial sampling systems, as deployed/recovered during Summer 2011 Jason operations in same area.
|Slip ring required? no||Number of conductors:|
|Non-standard wire required? no||Type:|
|Traction winch required? no||Describe:|
Portable VansChemical Storage Van
Other Science Vans:
Specialized Deck Equipment
|Mooring Deployment/Recovery Equipment Required: no||Type:|
|Cruise Specific Science Winch Required: yes||Type: Science to provide plasma winc|
|Nets Required: no||Type:|
Over the Side EquipmentWill you be bringing any equipment (winches, blocks, etc.) that lowers instruments over the side? yes
Details: We will bring the Plasma winch (C. G. Wheat, co-PI) for use in recovery of the instrument string from Hole 1301A, if necessary. We will also do a water column calibration of an electromagnetic flow meter, by lowering/raising instrument on a small Alvin elevator. We used this device in 2011 and requested that it be made available in 2012, before our earlier expedition was cancelled.
|Elecrical Power: no||Identify:|
|Equipment Handling: no||Identify:|
|Inter/intraship Communications: no||Identify:|
|Science Stowage: no||Identify:|
Additional Cruise Items/Activities
|Explosive Devices: no|
Portable Air Compressors: no
Flammable Gases: no
Small Boat Operations: no|
SCUBA Diving Operations: no
Will hazardous material be utilized? yes
Radioactive MaterialRadioiosotopes: no
Is night time work anticipated on this cruise? yes
Specialized tech support (Seabeam, coring, other): Night work will comprise mainly elevator operations (deploy and/or recovery), and one or more CTD operations.
Other required equipment and special needs: We are exploring options for development of a high-speed telepresence for streaming to web conferences, blogging, transferring videos. We are in discussion with Katy Bell and Dwight Coleman about this, who we believe are in discussion with NSF and WHOI personnel.
Site SurveyWill you provide detailed charts of the work area(s)? no
If no, willl you need Jason to generate maps of the work area(s)? no
Will you need post-dive maps of the work area generated? no
Will you be using Long Base Line (LBL) navigation? no
Will you be using Ultra-short baseline (USBL) navigation? yes
Will you be using Doppler/GPS navigation? yes
Sensors & SamplersMajor water sampler(s)
What type of samples do you expect to collect?
fluids, microbiology, core samples
Will you be using elevators to transport samples to the surface? yes
If yes, how many would you anticipate? 12-15
Cameras & VideoVideo & Photo data
Science Supplied Equipment
Are you supplying equipment to be used on HOV Jason?
Has this equipment been used on Jason before? yes
Please give a brief description of the equipment, its intended purpose, the cruise # it was last used on if any and its deployment method.
I'm attaching a PDF document with the upload tool below that itemizes tools to be deployed and manipulated with Jason. These tools include:
(a) Instruments for pressure monitoring of subseafloor observatories
(b) Electromagnetic flowmeter for use on wellhead experiments
(c) Heat flow insertion frame
(d) Fluid/mbio sampling systems from UH
Does this equipment use an external pressure housing? no
If yes, what is the pressure rating?
and test pressure?
Or has the pressure case been tested per Alvin Pressure Test requirements? yes
Housing schematic with dimensions and include air and water weights.
Does the equipment have an associated computer or control panel for remote operation from the personnel sphere? no
Air weight of this equipment?
Does the equipment require data or a power interface from the vehicle? yes
Does this equipment require hydraulic inputs from the vehicle? no
Hydraulic schematic of the equipment requirements.
Does this equipment require manipulation? yes
If yes, please describe how the equipment is to be manipulated.
Yes, please see attached document on Jason equipment.
Will this equipment be deployed off the vehicle? yes
If yes, please describe how the equipment is intended for deployment.
Yes, please see attached document on Jason equipment.
If yes, will the equipment be disconnected from the vehicle and left in situ? yes
How long will the deployment be?
Will the equipment be recovered by the same vehicle? yes
If recovering equipment deployed with another vehicle, provide pressure rating:
and test pressure:
Does this equipment use any glass spheres for either buoyancy or as pressure housings? no
Will hazardous material be utilized? no
Additional InformationBrief operations description or comments:
Date Submitted: Mar 19, 2013 4:53 PM by Andrew T. Fisher