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PART IV. – ELECTRICAL INSTALLATIONS.|
63. Wiring Rules.
(1) Subject to the requirements of any other law, all electric wiring, earthing and installations used in the exploration and drilling for, and the production of petroleum, whether in or outside hazardous locations as described in Subsection (2), shall be in accordance with PNGS 1022 (Wiring Rules)or other codes or standards as approved by the Director.
(2) Hazardous locations in which the provisions of Class 1, Zone 1 and Class 1, Zone 2 of the S.A.A. Wiring Rules shall apply, shall be–
(a) Class 1, Zone 1–all areas classified as division 1 in API RP500B, “Classification of Areas for Electrical Installations at Drilling Rigs and Production Facilities on Land and on Marine Fixed and Mobile Platforms”; and
(b) Class 1, Zone 2–all areas within 20m of a wellhead, temporary or permanent production facility and all areas within 20m of an area classified as Class 1, Zone 1.
(3) Within an area classified as Class 1 Zone 2 as above–
(a) the Director may approve the use of electrical equipment of vapor tight construction that is totally enclosed and gasketed to exclude or resist the passage of vapor; and
(b) all electrical connectors such as plugs and sockets shall have a mechanical device acceptable to a Petroleum Inspector to prevent inadvertent breaking of any electrical circuit capable of producing arcing or sparking.
64. Electrical Generators, Alternators and Motors.
(1) Subject to Subsections (2) and (5), no permanent electrical generator or electrical alternator shall be operated within 25m of a wellhead, temporary or permanent production facility or within 25m of an area classified as Class 1, Zone 1, unless the generator or electrical alternator has approved flame protection.
(2) Temporary electrical generators or alternators without approved flame protection may be operated within 25m by use of a permit to work system, under control of the site person-in-charge, that is outlined in the company’s Operation Manual which has been presented to and approved by the Director.
(3) Subject to Subsections (4) and (5), no cooling or purge air for an electrical motor shall be drawn from a point within 25m of a wellhead, temporary or permanent production facility or within 25m of an area classified as Class 1 Zone 1, unless the motor has approved flame protection.
(4) Temporary electrical motors without approved flame protection may draw cooling or purge air within 25m by use of a permit to work system under control of the site person-in-charge, as outlined in the company’s Operation Manual which has been presented to and approved by the Director.
(5) An electrical motor or electrical alternator or electrical generator may be used on a permanent well pumping installation providing it is not within 6m of the wellhead, process vessel or storage tank, and it meets the requirements as set out in Subsection (1) and Subsection (3).
65. Rig Electrical Systems Equipment.
(1) All electrical equipment shall be maintained in accordance with the original design.
(2) Flexible electrical cables intended for hard usage shall have inherent resistance to dampness, abrasion and petroleum products.
(3) All power cables shall be installed so that they are protected, as much as practical, from damage.
(4) Cables shall be repaired or replaced when insulation damage is detected, and makeshift wiring components and installations shall not be used.
66. Protection of Electrical Circuits.
(1) Every circuit shall be protected against overload and short circuit in accordance with the PNGS 10223 (Wiring Rules).
(2) Except where approved otherwise by the Director, circuits above extra-low voltage shall be protected against leakage of current to earth by the use of approved circuit breakers and such protection systems shall be provided with means by which a function test of the effectiveness may be made.
67. Earthing and Lightning Protection.
(1) The structure of permanent oilfield facilities for handling flammable liquids shall be protected against lightning in accordance with the ASI 768 “Lightning Protection” or other approved code of practice for the protection of such structures from damage by lightning.
(2) The structure of a temporary drilling rig need not be so protected against lightning if it is earthed so that the maximum resistance to earth is not greater than 10 ohms.
68. Control of Static Electricity.
(1) All metal parts of masts and rig substructures within a hazardous location shall be earthed for the safe removal of static electricity so that the maximum resistance to earth is less than 10 ohms.
(2) The well casing may be used in the case of masts, provided that it is electrically connected to all tools and other equipment being used in operations such as drilling, servicing and pulling.
(3) Metallic parts of containers of flammable liquids shall be earthed for the safe removal of charges of static electricity, but shall not be connected in such manner as to form part of the earth circuit.
(4) Where transferring flammable liquids or finely divided flammable or explosive materials from one container to another, the containers shall be in firm contact with each other or be continuously electrically bonded throughout the transfer so as to prevent the accumulation of static charges.
(5) Where tanks, mixers or processing vessels are used for flammable or explosive liquids or compounds, they shall be electrically bonded and earthed while being filled or emptied.
69. Portable Lights and Tools.
(1) Subject to Subsection (2), a portable light or tool used in a hazardous location shall be of flameproof construction.
(2) The Person-in-Charge, utilizing approved permit to work procedures, may authorize the use of a portable tool having a vapor tight or general purpose enclosure by ensuring that the area is, and remains, in a safe condition with the continual use of approved gas detection equipment.
(3) The voltage of a hand-held portable light and tool shall not exceed 32 volts unless there is installed and adequate system of earth leakage protection or other adequate protective device, and in such case the voltage of a hand held tool shall not exceed 250 volts.
(4) An electrically operated hand tool shall be tested and examined at regular intervals by a suitably qualified person, any defect shall be corrected and results recorded.
70. Maintenance, Repair or Alterations.
(1) Maintenance, repair or alteration of any conductor or apparatus shall not be carried out while such conductor or apparatus is alive.
(2) Switches opened to permit work on lines or equipment shall be prominently marked to warn against closure.
(3) Before any item of electrical equipment, except a portable lamp or tool, is moved, it shall be disconnected from the power supply.
(4) The rewiring and replacement of an electrical fuse may be carried out by an authorized person, but shall be checked as soon as possible thereafter by a licensed electrical worker.
(5) An electric welding return conductor shall be connected directly to the equipment being welded as well as to the earthing system of the rig or operational unit.
71. Electricians and Inspection of Electrical Equipment.
(1) Subject to Subsections (2) and (3), a person other than a licensed electrical worker shall not, on any drilling rig, production facility or associated plant–
(a) install electrical apparatus or circuits; or
(b) maintain electrical apparatus or cables including any automatic or other protective device; or
(c) carry out a routine examination or test of any electrical apparatus or cables; or
(d) carry out a routine test of the effectiveness of the earthing system, the continuity of the earthing conductors or the conditions of the electrical insulation; or
(e) carry out an examination or test of electrical apparatus or cables newly connected, or dismantled and reconnected in a new position.
(2) Subsection (1)(c), (d) and (e) shall not apply to apparatus carrying voltages not exceeding extra low voltage.
(3) Subsections (1) and (2), shall not apply to any apparatus in and ancillary to electric logging units, gas detection units and electronically equipped production control and gauging installations.
(4) A test or examination referred to in Subsection (1) shall be carried out–
(a) in the case of a drilling rig–prior to spudding in each well and at intervals not exceeding two months thereafter; and
(b) in the case of a temporary installation–at intervals not exceeding two months; and
(c) in the case of a permanent installation–at intervals not exceeding six months.
(5) The results of a test or examination under Subsection (1) shall be recorded by the electrical worker on the tour report or in a log book provided for the purpose, shall be countersigned by the site person-in-charge, and a copy shall be maintained, and upon request by a Petroleum Inspector, made available for review.
72. Control Equipment.
(1) Switch gear and starting equipment for motors shall include an isolating switch interlocked with the cover of the equipment so as to prevent the opening or removal of that cover whilst the apparatus within is alive or the isolator is in the closed position.
(2) All live parts within the switch gear and starting equipment, which are exposed when such equipment is opened, shall be effectively screened to the satisfaction of a Petroleum Inspector.
PART V. – EXPLOSIVES.
73. Application of Division 1.
The provisions of this Division shall apply wherever explosives are used in connection with the exploration for and the production of petroleum, but compliance with this Division shall not excuse a person from compliance with the Explosive Act (Adopted).
74. Competence of Workmen.
A person shall not use, handle, prepare or fire explosives unless he is–
(a) the holder of an appropriate permit issued under Section 7 of the Explosives Act (Adopted); or
(b) under the direct personal supervision and direction of a person referred to in Paragraph (a).
75. Storage of Explosives, Magazines.
Explosives shall be stored in accordance with the provisions of the Explosives Act (Adopted) and be under the supervision of an authorized site person-in-charge and magazines shall be made intrinsically safe from potential sources of ignition.
Except where approved by the Director, detonators other than electric detonators shall not be used.
77. Application for Use of Explosives.
(1) Prior to an operator commencing a geophysical or geological program of operations, that utilizes explosives in Papua New Guinea, a manual shall be submitted to the Director for review which includes operational, procedural and safety issues including, but not limited to the following items:–
(b) transportation–land, marine and/or air;
(d) personnel safety;
(e) detonating near surface facilities;
(f) loading shot holes;
(h) training of personnel;
(i) environmental issues.
(2) The Person-in-Charge shall submit the manual as outlined in Subsection (1) to the Director with the current notice of intention of a survey and shall update the manual as required for following surveys.
78. Electrical Firing in the Vicinity of a Radio Transmitter.
Electrical firing shall not take place in the vicinity of a live radio broadcasting transmitter unless the distance from the shot point to the base of the nearest mast is not less than that set out in the following table of minimum distances based on the power of the transmitter:
(1) Where in seismic prospecting in populated areas, shot holes are pre-loaded, the detonator wires shall be short-circuited and concealed until they are connected to the firing circuit, and notices in accordance with Section 26 shall be displayed warning people of danger from explosives.
(2) All pre-loaded holes shall be fired as soon as practicable after charging.
Use of explosives in wells.
80. Application of Division 2.
The provisions of this Division shall apply where explosives are used in a well for the exploration for or production of petroleum, and where there is an inconsistency between the provisions of this Division and the provisions of Division 1, the provision of this Division shall prevail.
81. Personnel Handling Explosives.
The use, handling, preparation and firing of explosives for the purposes specified in Section 80 and the disposal of any misfires resulting therefrom shall be done by or under the direct personal supervision of a competent person, experienced in the use of explosives for such purposes.
82. Safety of Rig Personnel.
During rig floor operations involving equipment charged with explosives, only work that is essential to that operation shall take place utilizing only those persons necessary to carry out that work and all other persons shall remain at a safe distance.
83. Safety from Accidental Detonation.
The site person-in-charge is responsible for ensuring the safety of the operation against accidental detonation from all sources that may include stray electrical currents, electrical charges and radio transmissions.
PART VI. – EXPLORATION.
84. Application of Part VI.
Unless otherwise specified to the contrary, the provisions of Part VI shall apply to geophysical, geological and/or their related operations carried out in the search for petroleum.
85. Notice of Intention to Commence Operations.
(1) No operation referred to in Section 84 shall commence without the written approval of the Director.
(2) The Director may impose conditions of approval and any such conditions shall be observed.
86. Notice of Intended Survey.
(1) At least 14 days before commencing a geophysical, geological and/or a related exploration program, the Person-in-Charge shall submit to the Director, in duplicate, a Notice of Intention to carry out the program.
(2) A Notice of Intention submitted under Subsection (1) shall include, but not be restricted to, the following information:–
(a) licence area;
(b) name of the licensee;
(c) name of survey;
(d) objective of survey;
(e) prime survey method and techniques;
(f) any secondary survey method;
(g) name and address of contractor;
(h) details of equipment to be used;
(i) estimated commencement date;
(j) estimated duration;
(k) line kilometres;
(l) estimated cost;
(m) line plans in duplicate, one at 1:250,000, one on A4 size paper;
(n) notice of Intended Entry on Land;
(o) name and address of site person-in-charge.
(p) manual, if required, as outlined in Section 77, unless previously submitted.
87. Operations near Mines and Quarries.
(1) No seismic operations shall take place within 300m of any operating mine or quarry, unless the Person-in-Charge notifies the Director accordingly and has received permission in writing from the Person-in-Charge of the said mine or quarry, a copy of which shall be forwarded to the Director.
(2) The operations to which Subsection (1) refers shall be conducted according to any special requirements as outlined by the Person-in-Charge of the mine or quarry and/or the Director.
88. Operations on Roads and in Inhabited Areas.
(1) Where shot hole drilling or other geophysical or geological exploration is to be carried out on a road or track used by the public, or in the vicinity of an inhabited area, the site person-in-charge shall consult with the senior officer at the District or Sub-district Office nearest to the area of intended operations, or if in a township declared under the Town Boundaries Act 1951, the commander of the nearest Police Station.
(2) A wooden stake, spike, pin or other pointed metal object shall not, in the performance of any exploration program, be driven into the carriageway of any road or track.
(3) Where a seismic survey is conducted in the vicinity of buildings or public utilities, all practical precautions shall be taken to ensure that no damage or inconvenience is caused by the operation.
89. Marking Seismic Lines.
A permanent marker shall be set in place at points of intersection of survey lines, at intersections of a survey line with any road which has been formed or graded and at intervals on each survey line of not more than 5km.
90. Shot Points near Buildings and Public Utilities.
(1) Unless otherwise approved by the Director in writing, a shot point shall not be located within the following distance of a building, a public utility of any description or a water well–
(a) 150m–in the case of shot holes;
(b) 100m–in the case of vibratory or other surface seismic sources.
(2) The site person-in-charge, if he considers it impracticable to fire a shot hole outside the distances specified in Subsection (1), may make application to the Director to fire a shot within such distances and the Director may grant such permission.
91. Temporary Shot Hole Plugs.
Where a drilling crew is in advance of a firing crew to the extent that a shot hole will not be fired on completion of drilling, a temporary plug or cover shall be placed in or over the shot hole until the firing crew is ready to fire the charge.
92. Permanent Shot Hole Plugs.
Unless otherwise approved by the Director, a shot hole shall be suitably plugged with earth after firing and the disturbed area shall be restored, as far as practical, to the original state.
93. Uncontrolled Flow of Water.
Where a flow of artesian water is encountered in the course of drilling operations, or detected subsequently, it shall be controlled, and the site person-in-charge shall report forthwith the flow of water to the Director advising him of the steps taken to control it.
94. Six Monthly Reports on Operations.
(1) A licensee shall submit to the Director a report on operations carried out within the area subject to a petroleum prospecting licence during each six monthly period after the date of issue of the licence, within one month after the end of the period to which the report relates.
(2) A report under Section 31(2)(c) of the Act shall include, in addition to a general review of the operations which have been carried out during the previous period, the following:–
(a) where there is an intention to carry out major geological or geophysical surveys during the next six monthly period, the notice of that intention;
(b) regional interpretation of the subsurface structure in all areas over which any combination of geophysical, geological, geochemical surveys and special studies have been conducted during the past period and any revised interpretations of adjacent areas resulting from the exploration in question.
(3) Each alternate such six monthly report is to be of a more comprehensive nature, and to include a general discussion of operations carried out, the conclusions derived therefrom and the main results obtained, mention of reports submitted during the year and an outline of work plans for the next year.
(4) Each second such six monthly report shall include seismic maps of key horizons at appropriate scales and details of annual expenditure covering time periods as agreed to by the Director.
(5) Where no operations are carried out in any six monthly period, a statement to this effect is to be submitted to the Director.
95. Submission of Data.
(1) The licensee shall submit to the Director, within four months of completion of any seismic, gravimetric or airborne geophysical survey operation, a report, in duplicate, in a form and content acceptable to the Director.
(2) A report submitted under Subsection (1)–
(a) shall contain, but shall not be restricted to, the topics listed in Section 238; and
(b) where so recorded, basic geophysical field data shall be supplied in digital form and in a format agreed to between the licensee and the Director.
(3) The licensee shall submit to the Director within four months of completion or any other type of geophysical survey, geochemical survey of any major geological survey, a full report on the findings of such survey including geological maps, measured sections and other basic data obtained by such survey.
(4) The licensee shall submit to the Director at weekly intervals during the course of any geophysical survey progress reports including, as soon as they are available, preliminary plots of data, such as shot hole location plans, cross-sections, gravity profiles and magnetic profiles.
(5) As part of a completion report submitted under Subsections (1) or (3), there shall be supplied either a film negative (35mm) or other transparent copy of each plan larger than 380mm by 250mm or 8mm tape of the seismic sections in SEGY format.
96. Submission of Data on Relinquishment.
(1) The licensee shall submit to the Director within 30 days of relinquishment of any portion of a petroleum prospecting licence all basic data derived from field operations on the relinquished area which have not previously been submitted to the Director.
(2) Data submitted under Subsection (1) shall include but not be restricted to the field records, aerial photography negatives, magnetic tapes (or any other digital information storage system), seismograms, film of final record sections, surveyor’s notes, plane table sheets, shot-point location map, observers’ tickets and shot hole logs.
(3) Where results of geological surveys are submitted under this section, they shall include all maps, sections and other data.
The provisions of Sections 84, 85, and 86 (with the exception of Subsection (2)(n)), 94, 95 and 96 and of this Division shall apply to offshore exploration.
98. Notice of Intended Geophysical Survey Offshore.
Where it is intended to carry out a geophysical survey offshore, in addition to the information required by Section 86 there shall also be submitted–
(a) a copy of current vessel classification; and
(b) evidence that the vessel and crew comply with the requirements of the Merchant Shipping Act 1975.
99. Commencement of Survey Offshore.
A survey offshore shall not commence unless at least 48 hours notice of the date and time of commencement, the survey duration, the survey area coordinates and, in the case of a seismic survey, the length of streamers to be towed by the survey vessel has been given to–
(a) the Director or a Petroleum Inspector nominated by the Director; and
(b) the Department responsible for administering legislation relating to fisheries in the licence area; and
(c) Marine Search and Rescue Division of the Department of Transport, Port Moresby.
100. Seismic Energy Sources.
(1) Explosives shall not be used for an offshore seismic survey without the approval of the Director.
(2) An energy source used in a seismic survey shall be operated in accordance with good safety practices, the manufacturer’s recommendations, and the requirements of Subsections (4), (5), (6) and (7), as applicable.
(3) A charge shall not be detonated underwater within–
(a) one nautical mile of the platform; and
(b) five nautical miles of the platform where diving operations are in progress;
unless adequate notification to the person in charge of the diving operations has been given of–
(c) the type of energy source to be used, its frequency and intensity; and
(d) the times at which the energy source is to be used; and
(e) any other pertinent information.
(4) Where an air gun is used in a seismic survey, system components shall be maintained in a clean and safe condition to comply with the manufacturers’ specifications and safety procedures shall be implemented to ensure the proper and safe maintenance, testing and operation of the system and its associated components.
(5) Where gas exploders are used in a seismic survey full safety precautions shall be implemented to prevent accidental ignition and/or explosion of the gas and gas cylinders due to heat, electrical charges, open flame or other sources of ignition.
(6) Where steam sources are used in a seismic survey, high pressure and high temperature valves, lines and vessels shall be adequately protected and shall be clearly marked with warning signs and testing of the source shall be only done when the gun is fully immersed in water.
(7) Where sparker and boomer electrical systems are used in a seismic survey, circuits shall be equipped with circuit breakers, electrical cables shall be protected, adequately insulated and grounded and the operation of the sparker or boomer shall be only tested when the gun is fully immersed in water.
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