NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
EXHIBIT 1: SPECIFICATIONS OF
THE SHALLOW STRATIGRAPHIC
WELL DRILLING IN BLOCK 14T
NATIONAL OIL CORPORATION OF
KENYA
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
The specifications of the Shallow Stratigraphic Well Drilling
1
Subject
Shallow Stratigraphic Well to be drilled (including wire line logging & petrophysical
evaluation) in Block14T around Magadi Area in Kenya.
2
Purpose
National Oil Corporation of Kenya (hereinafter referred to as the Company) is exploring
for oil and gas in Block 14T in Magadi area, Kenya. This work is performed in order to
obtain the information of subsurface geology and geophysics in the region.
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Works
3.1
To drill two (2) Shallow Stratigraphic Wells (hereinafter referred to as the Drilling).
3.2
To carry out Wireline logging & evaluation.
3.3
To carry out grain size distribution analysis
3.4
To support Borehole Seismic operation (hereinafter referred to as Check-shot
survey) by Seismic Contractor, if required by the Company.
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Location
4.1
The two (2) wells are planned in the Western part of Magadi area as shown in the
Attached Map 1. The detailed positions of the wells shall be shown to the awarded
Contractor
upon execution of a Confidentiality Agreement with the
Company.
4.2
Location survey using GPS shall be accurately carried out by Contractor with the
Company. A high performance GPS shall be availed by Contractor.
4.3
The subsurface geology of this region appears to be composed of clastic and
volcanic rocks that are partially compacted as per the geological survey and the
information of oil and gas explorations around Block 14T.
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Entry Qualifications
5.1
Contractor shall execute a Confidentiality Agreement with the Company as
provided in the Appendix 1 .
5.2
Contractor shall have the ability to drill to depth more than 500 m.
5.3
Contractor shall have experience in conducting the drilling of stratigraphic wells of
more than 200 m in depth and attach the evidence of previous work done (as
reference information).
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
5.4
Contractor shall have experience in carrying out grain size distribution analysis.
5.5
Contractor shall have a Health Safety and Environment (HSE) document relating
to the Drilling, and it is to be attached in the proposal.
5.6
Contractor shall have an up to date certification by International Association of
Drilling Contractors (IADC) and or the equivalent
5.7
Contractor's personnel shall have current certification by accredited international
drilling organizations/body (IWCF, WellCap etc)
6
Liability for the Works
6.1
Contractor shall bear all liability arising from execution of the works including but
not limited to injury claims, third party property damage or other loss or damage
arising therefrom.
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Insurance
7.1
Contractor shall submit the list of certificates of all affiliated insurances relating to
the Works for entire contract period and avail proof of payment of requisite
premiums prior to commencement of the work.
8. Basic Provisions of the Works
8.1 Accommodations
8.1.1
Contractor is responsible for bearing the costs of utilizing or arranging for site
office, camps, other facilities and transport. In addition, Contractor shall
prepare accommodations for some Company staff (up to 3).
8.1.2
Contractor shall prepare the cost estimation based on the situation shown in
clause 8.1.1.
8.2 Consumables
8.2.1
All the tangible & intangible consumables relating to the Works shall be
included into the proposed costs for the drilling & wire line logging &
evaluation work. Drilling bit, casing, plugged and abandoned works, core
boxes and other materials should be included in the consumables.
8.3 Working Hours
8.3.1
The Works shall be done on a 24 hour basis. The working shift may be
arranged by Contractor provided that each shift shall not exceed 12 hours.
8.4 Schedule
8.4.1
The Company is expected to commence the Drilling in August, 2015.
8.4.2
Contractor shall finish preparations of rigs, such as mobilization, and primary
inspection of the location before commencement of the Drilling Work
provided that it shall be after signing of contract.
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
9. Drilling Works
9.1 Mobilization and De-mobilization of the equipment
9.1.1
Contractor shall be responsible for complying with laws and regulations on
environmental permission.
9.1.2
Contractor shall be responsible for mobilization and demobilization of the
equipment and staff required to commence the work on time (including
custom clearance).
9.1.3
Contractor shall be responsible for logistics and transportation of the
equipment to ensure accessibility to the site on time (This shall include
pre-site visits to confirm requirements).
9.1.4
Contractor shall be responsible for site remediation immediately after the
drilling operations.
9.2 Water supply
9.2.1
Contractor shall be responsible for facilitating water supply required for the
Drilling. Any relating cost has to be included into the operational cost.
9.2.2
In case, Contractor drills water well (s) to supply water for the Drilling, the
water well (s) shall be retained for utility by the local community or restored
for safe use. Any relating cost has to be included into the operational cost.
9.2.3
Contractor shall apply all requisite permits required for 9.2.2.
9.3 Drilling specifications
9.3.1
The Company plans to drill two (2) vertical wells.(using a coring drill bit
minimum diameter of 3 1/2 inches)
9.3.2
The total (cumulative) drilling depth is planned to be 1,000 m for the two
wells.
9.3.3
The drilling depth of each well is basically planned up to 500 m.
9.3.4
The "Stick-up" method of drilling depth determination shall be used. Stick-up
measured from the ground surface (and not from the rotary table [RT] and/or
Kelly bushing [KB]) to the downhole end of the drill string and/or bottomhole
assembly [BHA] (including bit, core barrel, rods and couplings).
9.3.5
The Company accepts any types of rig (skid-type rig, truck-mount rig, etc.),
however, the specifications or past performance records need to be
submitted to ensure the successful completion of drilling (and coring) work.
9.3.6
Core shall be cut throughout all the sections without the critical operational
situation. In case of difficulty to continue coring operation, Contractor shall
discuss with the Company on how to resolve any drilling challenges.
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
9.3.7
Core diameter shall be 50 mm or larger throughout the section.
9.3.8
Casing program shall fulfill the above-mentioned specifications.
9.4 Plugged and abandoned (P&A)
9.4.1
Contractor shall backfill the well with cement/sand mix or bentonite/cement
mix, and completely level/remedy the ground for abandonment following the
regulations.
9.5 Core handling
9.5.1
Contractor shall prepare and present a detailed coring (retrieval/handling)
programme for approval by the Company
9.5.2
Core shall be carefully extracted from the core barrel using a method
approved by the Company in order to prevent destruction or fragmentation of
during transportation.
9.5.3
Contractor shall mark the sample depth, check the lithology and take core
color photographs after putting the samples into the core box.
9.5.4
Core losses shall be marked in the correct position (not at the end of the run)
with a red block of the same length as the core loss. The block shall be
marked "core loss" and the core loss depth interval given.
9.5.5
Where samples are taken from the core box they shall be replaced with a
yellow block of the same length as the sample. The block shall be marked
"sample" and the same depth interval given.
9.5.6
Unpainted blocks (stabilizers) shall be used to prevent core moving within
partly filled core box partitions.
9.5.7
All block markings shall be legible on the core photographs.
9.6 Core boxes and Storage
9.6.1
The core boxes shall be of robust construction with a lockable lid (to prevent
core distribution/loss during transportation) and partitions spaced to suit the
different core sizes. Contractor shall provide the handles to assist
transportation of the boxes.
9.6.2
The inside of the lid and at least one end of the box shall be clearly and
indelibly marked with the project name, well number, box number (e.g. 5 of
10) and core depth interval.
9.6.3
Core boxes shall be kept off the ground and dry while at the drill site.
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
9.7 Core photographs
9.7.1
Color digital photographs shall be taken for all the core boxes.
9.7.2
A title board showing the project name, borehole number, depth interval, a
color reference chart and liner scale graduated in 100 mm lengths in black
and white.
10. Wireline logging Works
10.1 Wireline logging specifications
10.1.1 Contractor shall carry out Wireline logging, the Gamma Ray, Resistivity, and
Temperature after reaching to TD (bottom hole).
10.1.2
A Sub-Contractor shall be appointed by the Contractor to carry out Wireline
logging, if the Contractor itself cannot provide the Wireline logging services.
10.1.3 If Contractor consigns a Wireline logging to a Sub-Contractor, Contractor
shall submit the certification of Sub-Contractor to the Company
10.1.4 The logging tools shall be prepared by Contractor or Sub-Contractor.
11. Check-shot survey Works (For Contractor’s information)
11.1 Check-shot survey
11.1.1 Check-shot
survey
is
also
planned
to
be
conducted
after
the
above-mentioned conventional logging.
11.1.2 The equipment (receiver & source) and actual operation shall be provided by
other contractors, such as seismic contractor or check-shot contractor. Some
supporting work by Contractor may be necessary during Check-shot survey
subject to the Company’s requirement.
12. Laboratory analysis by Contractor
12.1 Contractor shall carry out grain size distribution analysis.
12.2 The number of samples is planned up to 100/well depending on the actual lithology.
12.3 Detailed analysis of samples & relevant petrophysical evaluation shall be prepared
by Contractor.
13. Personnel
13.1 Expert
13.1.1 Contractor shall prepare and submit the curriculum vitae (CV) of experts
including drilling supervisor (s), driller (s), geologist (s), wire line logging
technician (s), petrophysicist (s) & laboratory technologist (s) relating to the
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
Works.
13.1.2 The person in charge shall have the ability and the experiences to integrate
all activities relating to drilling, wireline logging, check-shot survey and HSE.
13.2 Sub-Contractor
13.2.1 Contractor is allowed by the Company to hire Sub-Contractor for the Wireline
logging.
13.2.2 Contractor shall be responsible for Sub-Contractor activities.
13.2.3 Contractor shall make a list of personnel, certification and the CVs of
Sub-Contractor and submit them to the Company.
14. Health, Safety & Environment (HSE)
14.1 HSE basic provisions
14.1.1 HSE provisions should be quoted as necessary from the document relating to
HSE policy prepared by Contractor.
14.1.2 Contractor is responsible for the overall HSE policy subject to approval by the
Company.
14.2 Waste water handling
14.2.1 Environmental Impact Assessment (EIA) study or reporting is not necessary
in Kenya for geotechnical work, however the waste mud, chemicals and fluid
during and after the operations shall be disposed in accordance with the
Kenya‘s regulations.
15. Filing documents required for the bidding
15.1 Company profile of Contractor
15.2 The Contractor’s proposal
15.2.1 Work program (Detailed work schedule)
15.2.2 Well schematics (Casing program, borehole diagram)
15.2.3 P & A procedure.
15.2.4 Bid price (Break down for cost estimation)
15.3 The signed Confidentiality Agreement in the Appendix1
15.4 Requirements to be included in the bid documents:
15.4.1 Ability to conduct the Drilling of more than 500 m in depth
15.4.2 Experiences to conduct the Drilling of more than 200 m in depth (References
on previous work done)
15.4.3 Experiences to carry out grain size distribution analysis
15.4.4 HSE document related to the Drilling
15.4.5 All affiliated insurances relating to the Works
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
15.4.6 List of personnel and the CVs for key personnel of Contractor
15.4.7 List of personnel and the CVs for key personnel of Sub-Contractor
16. Reports by Contractor
16.1 Preparing reports
16.1.1 The reports shall be prepared by the Contractor in close consultation with the
Company.
16.2 Report format
16.2.1 The reports shall be written in English, and provided in Microsoft word.
16.2.2 Paper size for the reports shall be A4, and shall be printed in color on
double-sided paper.
16.3 Daily drilling report with core (lithological) logs.
16.3.1 Contractor shall submit the daily report to the Company by 0600hrs East
Africa Time the next day.
16.3.2 Hard copy shall be attached in the Geological completion report as an exhibit.
16.4 Well completion report (drilling operations)
16.4.1 The configuration of the reports will be in the following order: cover, preface,
contents, digest, body, summary and attached paper.
16.4.2 The formatting is to be provided by the contractor for approval by the
Company.
16.4.3 Contractor shall submit the final drilling operation report to the Company
within one month after the completion of operation.
16.5 Geological completion report (including wireline logging, grain size distribution
analysis)
16.5.1 The compilation of the reports is in the following order: cover, preface,
contents, digest, body, summary and attached paper.
16.5.2 The formatting is to be provided by the Contractor for approval by the
Company.
Contractor shall submit the final geological report to the Company within two
month after the completion of operation.
17. Deliverable products
17.1 Four sets of well completion report geological completion report, wireline logging,
laboratory analysis and their digital data (soft copies) that are recorded on DVD/USB
are forwarded to the Company.
17.2 A series of core samples stored in the core boxes are transported to the Company
laboratory immediately after the end of drilling operation.
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
18. Others
18.1 Contractor shall provide one (1) 4WD car with a driver for the Company during the
contract period. The relating cost needs to be included in the cost estimation of
bidder’s filing documents.
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
Attached Map 1
Map of location
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
Appendix 1
Confidentiality Undertaking
To: National Oil Corporation of Kenya ("NOCK")
AON Minet House, 7th floor off Nyerere Road, Nairobi, Kenya.
Subject:
“Work for Shallow Stratigraphic Well Drilling & Wireline Logging including petrophysical
evaluation in Block 14T in Magadi region in Kenya”
We, [insert name of entity], a company incorporated under [insert jurisdiction] and having its
registered office at [insert the registered address], is interested in submitting a proposal to
NOCK in response to the request for proposal dated MM/DD, 2015 for the “Shallow
Stratigraphic Well Drilling in Block 14T in Magadi region in Kenya” (“Work”), and is
willing to receive the document that is “The locality for the drilling”.
In consideration of the receipt of the document from NOCK, we agree and undertake to keep
the document and will not disclose to anyone except to such employees involved in tender
preparation, in any manner without the prior written consent of NOCK.
We will use the document and the Confidential Information only for the preparation of the
proposal (“Proposal”).
We acknowledge that the documents and the Confidential Information belong to NOCK and
we will not acquire any proprietary interest or right to the document and the Confidential
Information.
We will destroy the document and any copy of the Confidential Information in our possession
and in the possession of any person to whom we disclosed the Confidential Information, in
the event that:
a. NOCK requests us in writing to proceed with such the destruction;
b. We decide not to make the Proposal to NOCK;
c. We do not submit the Proposal by the date specified in the NOCK by which date the
proposal must be submitted to NOCK; or
d. NOCK informs us in writing that NOCK does not award the contract for the Work to us.
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NATIONAL OIL
Shallow Stratigraphic Well Drilling in Block 14T
SPECIFICATIONS
This Confidentiality Undertaking is made as a deed and is governed by the laws of Kenya and
shall expire upon the occurrence of one of the events described here above and any event 06
months after the date hereof.
Date:
Signed:
····································· (Signature)
····································· (Printed Name)
····································· (Title)
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