Most offshore exploration wells, many development wellsand most likely the majority of all deepwater wellare drilled using mobile offshore drilling units modus. An operating manual or equivalent is to be placed on. All mobile offshore drilling units are to meet the requirements of this chapter with regard to structural fire protection, protection of accommodation spaces, service spaces and control stations. These drilling operations are carried out from a mobile offshore drilling unit modu. The guidelines were written to provide the worldwide offshore drilling industry a tool to bring together global health, safety and environmental principles applicable to drilling units. A mobile offshore drilling unit, shortly modu, is a ship capable of engaging in drilling operations for the exploration or exploitation of resources beneath the sea bed, such as liquid or gaseous hydrocarbons. This interpretation is to be contained in a section of the ma manual. Mobile offshore drilling units the liberian registry.
Definition of mobile offshore drilling unit modu iadc lexicon. Mobile offshore units norwegian maritime authority. All mobile offshore drilling units are to meet the requirements of this chapter with regard to structural fire. Units which are designed as mobile offshore drilling. International maritime organization legally binding document. Policy and guidance mobile offshore drilling unit modu this page has the following content applicable to modus click on item to be taken directly to that section. Abs keeps pace with changing industry demands, drawing on.
Iadc hse case guidelines for mobile offshore drilling units. The mobile offshore drilling unit modu inspection questionnaire modu2, which is an inspection. Today, abs classes the largest share of the worldwide mobile offshore drilling unit modu fleet. Mobile offshore drilling unit modu or unit is a ship capable of engaging in drilling operations for the exploration or exploitation of resources beneath the seabed such as liquid or gaseous hydrocarbons, sulphur or salt. Ocean ranger was a semisubmersible mobile offshore drilling unit that sank in canadian waters on 15 february 1982. Hull construction and equipment rules for building and classing mobile offshore drilling units. International maritime organization, code for the construction and equipment of mobile offshore drilling units, 1979 1979 modu code, imo resolution xi, as amended, a. Regulations, policy and guidance documents andor links are available on the respective type of unit or vessel pages as follows. Mobile offshore drilling units are units that are modified or designed to be used in the exploration and drilling operations of oil and gas. Odfjell drilling prides itself on its past heritage, present fleet and future potential in the field of mobile offshore drilling units modus. Oct 11, 2019 modu or mobile offshore drilling unit is a term for floating drilling units such as semisubmersibles, jackup rigs etc.
Unless expressly specified otherwise, the requirements in the rules apply to mobile offshore drilling units for which contracts for construction are signed on or after 1 july 2017. For essential services related to drilling systems and equipment, see 41. It was drilling an exploration well on the grand banks of newfoundland, 267 kilometres 166 mi east of st. The link to the updated version of this publication may be found at. Offshore vessel inspection database ovid programme. Mobile offshore drilling units, 2009 2010 edition errata on page 75, paragraph 5. Federal register mobile offshore drilling unit guidance policy. Semisubmersible rigs make stable platforms for drilling for offshore oil and gas. Mobile offshore drilling units request pdf researchgate. Mobile offshore drilling unit modus if geological predictions based on seismic surveys show that a particular offshore area offer promising prospects for finding oil, a well is drilled to examine these predictions. Requirements concerning mobile offshore drilling units.
By order of the executive director office of the federal register washington, d. Mobile offshore drilling units are considered to be offshore installations only when they are stationed in offshore waters for drilling, production or other activities associated with offshore. Mobile offshore drilling units are oceangoing vessels used to drill, complete and workover wellbores in marine environments. They are partially submerged in water during drilling operations and are normally moored to the sea bed by anchors. They can be towed into position by a tugboat and anchored, or moved by and kept in position by their own azimuth thrusters with dynamic positioning the international maritime organization modu code is an accredited design and operational guideline for mobile offshore drilling units of the semisubmersible type. Mobile offshore drilling unit modu dynamic positioning dp. The first offshore drillship was the cuss 1 developed for the mohole project to drill into the earths crust. As of june, 2010, there were over 620 mobile offshore drilling rigs jackups, semisubs, drillships, barges available for service in the competitive rig fleet. The 2nd edition of the mobile offshore drilling unit modu inspection questionnaires and their accompanying inspection reports were introduced in september 2018. When a mobile offshore drilling unit safety certificate is issued to a modu by an administration or its. Is the modu currently voluntarily adhering with the above guidance examples listed below are not all inclusive check all that apply. The fleet has grown and evolved over time into larger more. Rules for building and classing mobile offshore drilling units consists of the nine 9 booklets as shown in table 1. The coast guard generally overseas the safety of systems at the platform level of a mobile offshore drilling unit.
Mobile offshore drilling unit modu or unit is a vessel capable of engaging in drilling operations for the exploration for or exploitation of resources beneath the seabed such as liquid or gaseous hydrocarbons, sulphur or salt. Layup of vessels for ship and mobile offshore units dnv gl as changes current this is a new document. The purpose of the code for the construction and equipment of mobile offshore drilling units, 1989, hereinafter referred to as the code, is to recommend design criteria, construction standards and other safety measures for mobile offshore drilling units so as to minimize the risk to such units, to the personnel on board and to the environment. The primary difference between a drillship and conventional vessel is the presence of a centre opening moonpool. Changes in this document are highlighted in red colour. Interpretations of the mobile offshore drilling units modu iacs. Abs keeps pace with changing industry demands, drawing on input from industry experts, including drilling contractors, operating companies, shipyards, design firms and academia, to improve its rules for building and classing mobile offshore drilling units modu rules and additional.
Mobile offshore drilling units built in accordance with the rules or their equivalent will. Jan2019 i mi293 issue and revision history irh series date mmyy description entered by entered mmddyy rev. The awardwinning iadc hse case guidelines for mobile offshore drilling units modus have had a huge impact on safetymanagement for the global drilling industry. The opep is a live document when the unit name is working on location and being used for. Mobile offshore drilling units modu code 2010 edition.
This opep is only applicable whilst the mobile drilling unit is on its working location and being used for offshore oil or gas operations or in connection with such operation within the ukcs. Part of clarksons researchs comprehensive 2019 offshore vessel register series, the mobile offshore drilling units register remains the markets definitive register. Design of arctic mobile offshore drilling unit kivi. Drilling tender a mobile offshore unit primarily intended as support to an offshore drilling platform. Oil and gas is drilled with help of different offshore structures, for example rigs and vessels. The amendments to the rules for 2016 edition and their effective date are as follows. Construction of mobile offshore drilling units, a loading plan is to be.
The coast guard is providing guidance regarding electrical equipment installed in hazardous areas on foreignflagged mobile offshore drilling units modus that have never operated, but intend to operate, on the u. Mobile offshore drilling unit or modu means a vessel, other than a public vessel of the united states, capable of engaging in drilling operations for exploration or exploitation of subsea resources. Under the ovid programme, the operator of any mobile offshore drilling unit modu that is the subject of a report was given a copy of that report and the opportunity to submit written comments relating to the report, to both the inspecting ocimf member and to ocimf. Federal register mobile offshore drilling unit modu. United states coast guard mobile offshore drilling unit. The first drillship went into service in california in 1956, and the first semisubmersible began working in the gulf of mexico five years later. Petropedia what is mobile offshore drilling unit modu. Offshore drilling industry and rig construction market in. Modu code 2009 code for the construction and equipment of. Outer continental shelf activities, 33 cfr 140147 20. Offshore drilling units modus and mobile offshore units. Rules and guidance for the classification of mobile. Report of investigation into the circumstances surrounding. Mobile offshore drilling unit means a mechanically propelled mobile offshore drilling unit, as defined in chapter ixii of the convention.
International maritimeorganization, code for the construction and equipment of mobile offshore drilling units, 1989 1989 modu code, imo resolution a. Mobile offshore drilling units modu code was adopted in 1979 by resolution a. It can be jackup, semisubmersible, bargetype or shipshaped. However, if the changes involve a whole chapter, section or subsection, normally only the title will be in red colour. Rules and guidance for the classification of mobile offshore. International association of drilling contractors appendix. International association of drilling contractors north sea. One may ask why there are so many types, sizes, and capabilities of offshore units. Critical activity mode of operation camo identified. Alternatively, we expect to see an increase in demand for semisubmersibles and drillships in the coming years. The code for the construction and equipment of mobile offshore drilling units, 2009 2009 modu code presents a major revision of the 1989 modu code prompted by the need to update the provisions for helicopter facilities on modus following amendments by the icao council in 2004. Report on the purpose of mobile offshore drilling units modus and the economic impacts of rig construction in the united states. Crane unit a mobile offshore unit primarily intended for the lifting of heavy loads in oil drilling and production operations, offshore construction andor salvage operations.
Z15 hull, structure, equipment and machinery surveys of. Mobile offshore drilling units modus floating ocs facilities fofs, also commonly referred to as floating offshore. The environmental protection agency epa has multiple responsibilities, with a representative serving as the vicechair of the national response team and regional response teams. Description code for the construction and equipment of mobile offshore drilling units, 2009 modu code, 2010 edition. Offshore refers to drilling of oil and gas reservoirs away from the seabed. Report of investigation into the circumstances surrounding the explosion, fire, sinking and loss of eleven crew members aboard the mobile offshore drilling unit deepwater horizon in the gulf of mexico, april 2022, 2010 volume 1 open pdf 20 mb this report examines the various causal factors surrounding the explosion, fire, sinking, and loss of crew members onboard the mobile offshore. This chapter describes the basic function of the deepwater horizon mobile offshore drilling unit modu. Through 40 years of operational success in harsh environments with semisubmersibles, drillships, jackups and modular drilling units the firm has accrued enormous experience and expertise. Drillship a ship specially equipped to conduct drilling of oil wells at sea. The purpose of the generic title abs rules for conditions of classification offshore units and. Request pdf mobile offshore drilling units mobile offshore drilling units are oceangoing vessels used to drill, complete and workover wellbores in marine. These are large vessels that carry out the operation of exploring and exploiting of natural resources found deep below the seabed. The fleet has grown and evolved over time into larger more sophisticated rigs in response to operators movement. It has been designed to meet or exceed the requirements of the american bureau of shipping a1 selfelevating, mobile offshore drilling unit, the uscg and the imo.
Solas regulation iv8, 9, 10 and 11, when the unit satisfies the requirements of the modu code code for the construction and equipment of mobile offshore drilling units, 2009 no. The fleet has grown and evolved over time into larger more sophisticated rigs in response to operators movement into deeper water and more challenging environments. The code for the construction and equipment of mobile offshore drilling units, 2009 2009 modu code presents a major revision of the 1989 modu code prompted by the need to update the. Offshore vessel inspection database ovid programme mobile. Accordingly, drilling from dp units is also common. Code for construction and equipment of mobile offshore drilling units. Gisis as a code for the construction and equipment of mobile offshore drilling units modu code equivalency. For example, a mobile offshore unit capable of crane service, pipe laying would be assigned the classification crane service, pipe laying service.
Code for construction and equipment of mobile offshore drilling units name of standards organization. Definition of mobile offshore drilling unit modu iadc. Policy and guidance mobile offshore drilling unit modu. This complementary printing of the mobile offshore unit mou standards mi293 will not be automatically supplemented, and therefore, may be out of date. Moducode 1989 code for the construction and equipment of. Oceans have provided us with the bulk of fossil fuels and they still continue to do so. Nonselfpropelled mobile offshore units need not comply with the requirements for radio equipment of section 7, cf. International association of drilling contractors north. To evaluate the scenario using the new technology risk assessment framework a mobile offshore drilling unit modu with conventional drilling equipment is considered. Packed with technical data, the register continues to provide all of the detail familiar to readers of this long standing title. The ma arrangements, including portable equipment and attachments, are to. A semisubmersible rig is a mobile offshore drilling unit better known as modu, which is designed for offshore drilling in ultradeep waters of the oil and gasrich areas across the globe. Requirements concerning mobile offshore drilling units prs. The answer involves different technical, economic, government, and safety requirements to accomplish a specific drilling program.
The client was in the development stage of the ebok field, located offshore nigeria. Port facility means a location, as determined by the authority, where shipport interface takes place, and this includes areas such as anchorage, waiting berths and approaches from seaward. International association of drilling contractors appendix 1. Fr 26562, mobile offshore drilling unit dynamic positioning guidance yes no provide a copy 2. Guidance on how to examine mobile offshore drilling units can be found in msm volume ii. The ovid system is comprised of two fundamentals elements. While every effort has been made to ensure the accuracy of the information contained within this publication, neither iadc, nor any of its members will assume liability for any use made.
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